18785894402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{197161}}^1$

素因数の和:197306

約数の個数: 32

約数和(自身を含む): 31684722048

約数和(自身を除く): 12898827646

約数列:

[1, 2, 11, 22, 61, 71, 122, 142, 671, 781, 1342, 1562, 4331, 8662, 47641, 95282, 197161, 394322, 2168771, 4337542, 12026821, 13998431, 24053642, 27996862, 132295031, 153982741, 264590062, 307965482, 853904291, 1707808582, 9392947201, 18785894402]

約数ペア:

[(1, 18785894402), (2, 9392947201), (11, 1707808582), (22, 853904291), (61, 307965482), (71, 264590062), (122, 153982741), (142, 132295031), (671, 27996862), (781, 24053642), (1342, 13998431), (1562, 12026821), (4331, 4337542), (8662, 2168771), (47641, 394322), (95282, 197161)]