18265970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 34043328

約数和(自身を除く): 15777358

約数列:

[1, 2, 5, 10, 43, 86, 107, 214, 215, 397, 430, 535, 794, 1070, 1985, 3970, 4601, 9202, 17071, 23005, 34142, 42479, 46010, 84958, 85355, 170710, 212395, 424790, 1826597, 3653194, 9132985, 18265970]

約数ペア:

[(1, 18265970), (2, 9132985), (5, 3653194), (10, 1826597), (43, 424790), (86, 212395), (107, 170710), (214, 85355), (215, 84958), (397, 46010), (430, 42479), (535, 34142), (794, 23005), (1070, 17071), (1985, 9202), (3970, 4601)]