19648440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 256

約数和(自身を含む): 78796800

約数和(自身を除く): 59148360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 108, 113, 115, 120, 126, 135, 138, 140, 161, 168, 180, 184, 189, 207, 210, 216, 226, 230, 252, 270, 276, 280, 315, 322, 339, 345, 360, 378, 414, 420, 452, 460, 483, 504, 540, 552, 565, 621, 630, 644, 678, 690, 756, 791, 805, 828, 840, 904, 920, 945, 966, 1017, 1035, 1080, 1130, 1242, 1260, 1288, 1356, 1380, 1449, 1512, 1582, 1610, 1656, 1695, 1890, 1932, 2034, 2070, 2260, 2373, 2415, 2484, 2520, 2599, 2712, 2760, 2898, 3051, 3105, 3164, 3220, 3390, 3780, 3864, 3955, 4068, 4140, 4347, 4520, 4746, 4830, 4968, 5085, 5198, 5796, 6102, 6210, 6328, 6440, 6780, 7119, 7245, 7560, 7797, 7910, 8136, 8280, 8694, 9492, 9660, 10170, 10396, 11592, 11865, 12204, 12420, 12995, 13560, 14238, 14490, 15255, 15594, 15820, 17388, 18193, 18984, 19320, 20340, 20792, 21357, 21735, 23391, 23730, 24408, 24840, 25990, 28476, 28980, 30510, 31188, 31640, 34776, 35595, 36386, 38985, 40680, 42714, 43470, 46782, 47460, 51980, 54579, 56952, 57960, 61020, 62376, 70173, 71190, 72772, 77970, 85428, 86940, 90965, 93564, 94920, 103960, 106785, 109158, 116955, 122040, 140346, 142380, 145544, 155940, 163737, 170856, 173880, 181930, 187128, 213570, 218316, 233910, 272895, 280692, 284760, 311880, 327474, 350865, 363860, 427140, 436632, 467820, 491211, 545790, 561384, 654948, 701730, 727720, 818685, 854280, 935640, 982422, 1091580, 1309896, 1403460, 1637370, 1964844, 2183160, 2456055, 2806920, 3274740, 3929688, 4912110, 6549480, 9824220, 19648440]

約数ペア:

[(1, 19648440), (2, 9824220), (3, 6549480), (4, 4912110), (5, 3929688), (6, 3274740), (7, 2806920), (8, 2456055), (9, 2183160), (10, 1964844), (12, 1637370), (14, 1403460), (15, 1309896), (18, 1091580), (20, 982422), (21, 935640), (23, 854280), (24, 818685), (27, 727720), (28, 701730), (30, 654948), (35, 561384), (36, 545790), (40, 491211), (42, 467820), (45, 436632), (46, 427140), (54, 363860), (56, 350865), (60, 327474), (63, 311880), (69, 284760), (70, 280692), (72, 272895), (84, 233910), (90, 218316), (92, 213570), (105, 187128), (108, 181930), (113, 173880), (115, 170856), (120, 163737), (126, 155940), (135, 145544), (138, 142380), (140, 140346), (161, 122040), (168, 116955), (180, 109158), (184, 106785), (189, 103960), (207, 94920), (210, 93564), (216, 90965), (226, 86940), (230, 85428), (252, 77970), (270, 72772), (276, 71190), (280, 70173), (315, 62376), (322, 61020), (339, 57960), (345, 56952), (360, 54579), (378, 51980), (414, 47460), (420, 46782), (452, 43470), (460, 42714), (483, 40680), (504, 38985), (540, 36386), (552, 35595), (565, 34776), (621, 31640), (630, 31188), (644, 30510), (678, 28980), (690, 28476), (756, 25990), (791, 24840), (805, 24408), (828, 23730), (840, 23391), (904, 21735), (920, 21357), (945, 20792), (966, 20340), (1017, 19320), (1035, 18984), (1080, 18193), (1130, 17388), (1242, 15820), (1260, 15594), (1288, 15255), (1356, 14490), (1380, 14238), (1449, 13560), (1512, 12995), (1582, 12420), (1610, 12204), (1656, 11865), (1695, 11592), (1890, 10396), (1932, 10170), (2034, 9660), (2070, 9492), (2260, 8694), (2373, 8280), (2415, 8136), (2484, 7910), (2520, 7797), (2599, 7560), (2712, 7245), (2760, 7119), (2898, 6780), (3051, 6440), (3105, 6328), (3164, 6210), (3220, 6102), (3390, 5796), (3780, 5198), (3864, 5085), (3955, 4968), (4068, 4830), (4140, 4746), (4347, 4520)]