18961726

素因数分解:

$2^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 33580800

約数和(自身を除く): 14619074

約数列:

[1, 2, 7, 14, 49, 98, 131, 211, 262, 343, 422, 686, 917, 1477, 1834, 2954, 6419, 10339, 12838, 20678, 27641, 44933, 55282, 72373, 89866, 144746, 193487, 386974, 1354409, 2708818, 9480863, 18961726]

約数ペア:

[(1, 18961726), (2, 9480863), (7, 2708818), (14, 1354409), (49, 386974), (98, 193487), (131, 144746), (211, 89866), (262, 72373), (343, 55282), (422, 44933), (686, 27641), (917, 20678), (1477, 12838), (1834, 10339), (2954, 6419)]