19673570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2213}}^1$

素因数の和:2354

約数の個数: 32

約数和(自身を含む): 40808448

約数和(自身を除く): 21134878

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2213, 4426, 4445, 8890, 11065, 15491, 22130, 30982, 77455, 154910, 281051, 562102, 1405255, 1967357, 2810510, 3934714, 9836785, 19673570]

約数ペア:

[(1, 19673570), (2, 9836785), (5, 3934714), (7, 2810510), (10, 1967357), (14, 1405255), (35, 562102), (70, 281051), (127, 154910), (254, 77455), (635, 30982), (889, 22130), (1270, 15491), (1778, 11065), (2213, 8890), (4426, 4445)]