19421640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{367}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 75513600

約数和(自身を除く): 56091960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 367, 378, 392, 420, 441, 490, 504, 540, 588, 630, 734, 735, 756, 840, 882, 945, 980, 1080, 1101, 1176, 1260, 1323, 1468, 1470, 1512, 1764, 1835, 1890, 1960, 2202, 2205, 2520, 2569, 2646, 2936, 2940, 3303, 3528, 3670, 3780, 4404, 4410, 5138, 5292, 5505, 5880, 6606, 6615, 7340, 7560, 7707, 8808, 8820, 9909, 10276, 10584, 11010, 12845, 13212, 13230, 14680, 15414, 16515, 17640, 17983, 19818, 20552, 22020, 23121, 25690, 26424, 26460, 30828, 33030, 35966, 38535, 39636, 44040, 46242, 49545, 51380, 52920, 53949, 61656, 66060, 69363, 71932, 77070, 79272, 89915, 92484, 99090, 102760, 107898, 115605, 132120, 138726, 143864, 154140, 161847, 179830, 184968, 198180, 215796, 231210, 269745, 277452, 308280, 323694, 346815, 359660, 396360, 431592, 462420, 485541, 539490, 554904, 647388, 693630, 719320, 809235, 924840, 971082, 1078980, 1294776, 1387260, 1618470, 1942164, 2157960, 2427705, 2774520, 3236940, 3884328, 4855410, 6473880, 9710820, 19421640]

約数ペア:

[(1, 19421640), (2, 9710820), (3, 6473880), (4, 4855410), (5, 3884328), (6, 3236940), (7, 2774520), (8, 2427705), (9, 2157960), (10, 1942164), (12, 1618470), (14, 1387260), (15, 1294776), (18, 1078980), (20, 971082), (21, 924840), (24, 809235), (27, 719320), (28, 693630), (30, 647388), (35, 554904), (36, 539490), (40, 485541), (42, 462420), (45, 431592), (49, 396360), (54, 359660), (56, 346815), (60, 323694), (63, 308280), (70, 277452), (72, 269745), (84, 231210), (90, 215796), (98, 198180), (105, 184968), (108, 179830), (120, 161847), (126, 154140), (135, 143864), (140, 138726), (147, 132120), (168, 115605), (180, 107898), (189, 102760), (196, 99090), (210, 92484), (216, 89915), (245, 79272), (252, 77070), (270, 71932), (280, 69363), (294, 66060), (315, 61656), (360, 53949), (367, 52920), (378, 51380), (392, 49545), (420, 46242), (441, 44040), (490, 39636), (504, 38535), (540, 35966), (588, 33030), (630, 30828), (734, 26460), (735, 26424), (756, 25690), (840, 23121), (882, 22020), (945, 20552), (980, 19818), (1080, 17983), (1101, 17640), (1176, 16515), (1260, 15414), (1323, 14680), (1468, 13230), (1470, 13212), (1512, 12845), (1764, 11010), (1835, 10584), (1890, 10276), (1960, 9909), (2202, 8820), (2205, 8808), (2520, 7707), (2569, 7560), (2646, 7340), (2936, 6615), (2940, 6606), (3303, 5880), (3528, 5505), (3670, 5292), (3780, 5138), (4404, 4410)]