19991293430

素因数分解:

$2^1\times 5^1\times {\mathrm{4517}}^1\times {\mathrm{442579}}^1$

素因数の和:447103

約数の個数: 16

約数和(自身を含む): 35992375920

約数和(自身を除く): 16001082490

約数列:

[1, 2, 5, 10, 4517, 9034, 22585, 45170, 442579, 885158, 2212895, 4425790, 1999129343, 3998258686, 9995646715, 19991293430]

約数ペア:

[(1, 19991293430), (2, 9995646715), (5, 3998258686), (10, 1999129343), (4517, 4425790), (9034, 2212895), (22585, 885158), (45170, 442579)]