18311157080

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1\times {\mathrm{2333}}^1$

素因数の和:3404

約数の個数: 64

約数和(自身を含む): 41440636800

約数和(自身を除く): 23129479720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 821, 956, 1195, 1642, 1912, 2333, 2390, 3284, 4105, 4666, 4780, 6568, 8210, 9332, 9560, 11665, 16420, 18664, 23330, 32840, 46660, 93320, 196219, 392438, 557587, 784876, 981095, 1115174, 1569752, 1915393, 1962190, 2230348, 2787935, 3830786, 3924380, 4460696, 5575870, 7661572, 7848760, 9576965, 11151740, 15323144, 19153930, 22303480, 38307860, 76615720, 457778927, 915557854, 1831115708, 2288894635, 3662231416, 4577789270, 9155578540, 18311157080]

約数ペア:

[(1, 18311157080), (2, 9155578540), (4, 4577789270), (5, 3662231416), (8, 2288894635), (10, 1831115708), (20, 915557854), (40, 457778927), (239, 76615720), (478, 38307860), (821, 22303480), (956, 19153930), (1195, 15323144), (1642, 11151740), (1912, 9576965), (2333, 7848760), (2390, 7661572), (3284, 5575870), (4105, 4460696), (4666, 3924380), (4780, 3830786), (6568, 2787935), (8210, 2230348), (9332, 1962190), (9560, 1915393), (11665, 1569752), (16420, 1115174), (18664, 981095), (23330, 784876), (32840, 557587), (46660, 392438), (93320, 196219)]