18801860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 51045120

約数和(自身を除く): 32243260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 140, 145, 154, 203, 220, 290, 308, 319, 385, 406, 421, 580, 638, 770, 812, 842, 1015, 1276, 1540, 1595, 1684, 2030, 2105, 2233, 2947, 3190, 4060, 4210, 4466, 4631, 5894, 6380, 8420, 8932, 9262, 11165, 11788, 12209, 14735, 18524, 22330, 23155, 24418, 29470, 32417, 44660, 46310, 48836, 58940, 61045, 64834, 85463, 92620, 122090, 129668, 134299, 162085, 170926, 244180, 268598, 324170, 341852, 427315, 537196, 648340, 671495, 854630, 940093, 1342990, 1709260, 1880186, 2685980, 3760372, 4700465, 9400930, 18801860]

約数ペア:

[(1, 18801860), (2, 9400930), (4, 4700465), (5, 3760372), (7, 2685980), (10, 1880186), (11, 1709260), (14, 1342990), (20, 940093), (22, 854630), (28, 671495), (29, 648340), (35, 537196), (44, 427315), (55, 341852), (58, 324170), (70, 268598), (77, 244180), (110, 170926), (116, 162085), (140, 134299), (145, 129668), (154, 122090), (203, 92620), (220, 85463), (290, 64834), (308, 61045), (319, 58940), (385, 48836), (406, 46310), (421, 44660), (580, 32417), (638, 29470), (770, 24418), (812, 23155), (842, 22330), (1015, 18524), (1276, 14735), (1540, 12209), (1595, 11788), (1684, 11165), (2030, 9262), (2105, 8932), (2233, 8420), (2947, 6380), (3190, 5894), (4060, 4631), (4210, 4466)]