18707494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 32044320

約数和(自身を除く): 13336826

約数列:

[1, 2, 13, 26, 29, 43, 58, 86, 377, 559, 577, 754, 1118, 1154, 1247, 2494, 7501, 15002, 16211, 16733, 24811, 32422, 33466, 49622, 217529, 322543, 435058, 645086, 719519, 1439038, 9353747, 18707494]

約数ペア:

[(1, 18707494), (2, 9353747), (13, 1439038), (26, 719519), (29, 645086), (43, 435058), (58, 322543), (86, 217529), (377, 49622), (559, 33466), (577, 32422), (754, 24811), (1118, 16733), (1154, 16211), (1247, 15002), (2494, 7501)]