17801940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:841

約数の個数: 96

約数和(自身を含む): 55601280

約数和(自身を除く): 37799340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 787, 870, 1131, 1508, 1574, 1740, 1885, 2262, 2361, 3148, 3770, 3935, 4524, 4722, 5655, 7540, 7870, 9444, 10231, 11310, 11805, 15740, 20462, 22620, 22823, 23610, 30693, 40924, 45646, 47220, 51155, 61386, 68469, 91292, 102310, 114115, 122772, 136938, 153465, 204620, 228230, 273876, 296699, 306930, 342345, 456460, 593398, 613860, 684690, 890097, 1186796, 1369380, 1483495, 1780194, 2966990, 3560388, 4450485, 5933980, 8900970, 17801940]

約数ペア:

[(1, 17801940), (2, 8900970), (3, 5933980), (4, 4450485), (5, 3560388), (6, 2966990), (10, 1780194), (12, 1483495), (13, 1369380), (15, 1186796), (20, 890097), (26, 684690), (29, 613860), (30, 593398), (39, 456460), (52, 342345), (58, 306930), (60, 296699), (65, 273876), (78, 228230), (87, 204620), (116, 153465), (130, 136938), (145, 122772), (156, 114115), (174, 102310), (195, 91292), (260, 68469), (290, 61386), (348, 51155), (377, 47220), (390, 45646), (435, 40924), (580, 30693), (754, 23610), (780, 22823), (787, 22620), (870, 20462), (1131, 15740), (1508, 11805), (1574, 11310), (1740, 10231), (1885, 9444), (2262, 7870), (2361, 7540), (3148, 5655), (3770, 4722), (3935, 4524)]