19999078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6101}}^1$

素因数の和:6263

約数の個数: 16

約数和(自身を含む): 32950800

約数和(自身を除く): 12951722

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 6101, 12202, 67111, 134222, 909049, 1818098, 9999539, 19999078]

約数ペア:

[(1, 19999078), (2, 9999539), (11, 1818098), (22, 909049), (149, 134222), (298, 67111), (1639, 12202), (3278, 6101)]