18724860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:233

約数の個数: 216

約数和(自身を含む): 72452016

約数和(自身を除く): 53727156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 193, 196, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 386, 396, 420, 441, 462, 490, 495, 539, 579, 588, 630, 660, 693, 735, 770, 772, 882, 924, 965, 980, 990, 1078, 1155, 1158, 1260, 1351, 1386, 1470, 1540, 1617, 1737, 1764, 1930, 1980, 2123, 2156, 2205, 2310, 2316, 2695, 2702, 2772, 2895, 2940, 3234, 3465, 3474, 3860, 4053, 4246, 4410, 4620, 4851, 5390, 5404, 5790, 6369, 6468, 6755, 6930, 6948, 8085, 8106, 8492, 8685, 8820, 9457, 9702, 10615, 10780, 11580, 12159, 12738, 13510, 13860, 14861, 16170, 16212, 17370, 18914, 19107, 19404, 20265, 21230, 24255, 24318, 25476, 27020, 28371, 29722, 31845, 32340, 34740, 37828, 38214, 40530, 42460, 44583, 47285, 48510, 48636, 56742, 59444, 60795, 63690, 74305, 76428, 81060, 85113, 89166, 94570, 95535, 97020, 104027, 113484, 121590, 127380, 133749, 141855, 148610, 170226, 178332, 189140, 191070, 208054, 222915, 243180, 267498, 283710, 297220, 312081, 340452, 382140, 416108, 425565, 445830, 520135, 534996, 567420, 624162, 668745, 851130, 891660, 936243, 1040270, 1248324, 1337490, 1560405, 1702260, 1872486, 2080540, 2674980, 3120810, 3744972, 4681215, 6241620, 9362430, 18724860]

約数ペア:

[(1, 18724860), (2, 9362430), (3, 6241620), (4, 4681215), (5, 3744972), (6, 3120810), (7, 2674980), (9, 2080540), (10, 1872486), (11, 1702260), (12, 1560405), (14, 1337490), (15, 1248324), (18, 1040270), (20, 936243), (21, 891660), (22, 851130), (28, 668745), (30, 624162), (33, 567420), (35, 534996), (36, 520135), (42, 445830), (44, 425565), (45, 416108), (49, 382140), (55, 340452), (60, 312081), (63, 297220), (66, 283710), (70, 267498), (77, 243180), (84, 222915), (90, 208054), (98, 191070), (99, 189140), (105, 178332), (110, 170226), (126, 148610), (132, 141855), (140, 133749), (147, 127380), (154, 121590), (165, 113484), (180, 104027), (193, 97020), (196, 95535), (198, 94570), (210, 89166), (220, 85113), (231, 81060), (245, 76428), (252, 74305), (294, 63690), (308, 60795), (315, 59444), (330, 56742), (385, 48636), (386, 48510), (396, 47285), (420, 44583), (441, 42460), (462, 40530), (490, 38214), (495, 37828), (539, 34740), (579, 32340), (588, 31845), (630, 29722), (660, 28371), (693, 27020), (735, 25476), (770, 24318), (772, 24255), (882, 21230), (924, 20265), (965, 19404), (980, 19107), (990, 18914), (1078, 17370), (1155, 16212), (1158, 16170), (1260, 14861), (1351, 13860), (1386, 13510), (1470, 12738), (1540, 12159), (1617, 11580), (1737, 10780), (1764, 10615), (1930, 9702), (1980, 9457), (2123, 8820), (2156, 8685), (2205, 8492), (2310, 8106), (2316, 8085), (2695, 6948), (2702, 6930), (2772, 6755), (2895, 6468), (2940, 6369), (3234, 5790), (3465, 5404), (3474, 5390), (3860, 4851), (4053, 4620), (4246, 4410)]