18156830

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 15435490

約数列:

[1, 2, 5, 10, 71, 107, 142, 214, 239, 355, 478, 535, 710, 1070, 1195, 2390, 7597, 15194, 16969, 25573, 33938, 37985, 51146, 75970, 84845, 127865, 169690, 255730, 1815683, 3631366, 9078415, 18156830]

約数ペア:

[(1, 18156830), (2, 9078415), (5, 3631366), (10, 1815683), (71, 255730), (107, 169690), (142, 127865), (214, 84845), (239, 75970), (355, 51146), (478, 37985), (535, 33938), (710, 25573), (1070, 16969), (1195, 15194), (2390, 7597)]