18615490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 34401024

約数和(自身を除く): 15785534

約数列:

[1, 2, 5, 10, 71, 142, 157, 167, 314, 334, 355, 710, 785, 835, 1570, 1670, 11147, 11857, 22294, 23714, 26219, 52438, 55735, 59285, 111470, 118570, 131095, 262190, 1861549, 3723098, 9307745, 18615490]

約数ペア:

[(1, 18615490), (2, 9307745), (5, 3723098), (10, 1861549), (71, 262190), (142, 131095), (157, 118570), (167, 111470), (314, 59285), (334, 55735), (355, 52438), (710, 26219), (785, 23714), (835, 22294), (1570, 11857), (1670, 11147)]