18961304

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 36633600

約数和(自身を除く): 17672296

約数列:

[1, 2, 4, 8, 47, 94, 188, 211, 239, 376, 422, 478, 844, 956, 1688, 1912, 9917, 11233, 19834, 22466, 39668, 44932, 50429, 79336, 89864, 100858, 201716, 403432, 2370163, 4740326, 9480652, 18961304]

約数ペア:

[(1, 18961304), (2, 9480652), (4, 4740326), (8, 2370163), (47, 403432), (94, 201716), (188, 100858), (211, 89864), (239, 79336), (376, 50429), (422, 44932), (478, 39668), (844, 22466), (956, 19834), (1688, 11233), (1912, 9917)]