19889276848

素因数分解:

$2^4\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{144259}}^1$

素因数の和:145505

約数の個数: 40

約数和(自身を含む): 44076623360

約数和(自身を除く): 24187346512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1231, 2462, 4924, 8617, 9848, 17234, 19696, 34468, 68936, 137872, 144259, 288518, 577036, 1009813, 1154072, 2019626, 2308144, 4039252, 8078504, 16157008, 177582829, 355165658, 710331316, 1243079803, 1420662632, 2486159606, 2841325264, 4972319212, 9944638424, 19889276848]

約数ペア:

[(1, 19889276848), (2, 9944638424), (4, 4972319212), (7, 2841325264), (8, 2486159606), (14, 1420662632), (16, 1243079803), (28, 710331316), (56, 355165658), (112, 177582829), (1231, 16157008), (2462, 8078504), (4924, 4039252), (8617, 2308144), (9848, 2019626), (17234, 1154072), (19696, 1009813), (34468, 577036), (68936, 288518), (137872, 144259)]