19906996

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 35481600

約数和(自身を除く): 15574604

約数列:

[1, 2, 4, 127, 149, 254, 263, 298, 508, 526, 596, 1052, 18923, 33401, 37846, 39187, 66802, 75692, 78374, 133604, 156748, 4976749, 9953498, 19906996]

約数ペア:

[(1, 19906996), (2, 9953498), (4, 4976749), (127, 156748), (149, 133604), (254, 78374), (263, 75692), (298, 66802), (508, 39187), (526, 37846), (596, 33401), (1052, 18923)]