18455554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 12570686

約数列:

[1, 2, 13, 26, 53, 59, 106, 118, 227, 454, 689, 767, 1378, 1534, 2951, 3127, 5902, 6254, 12031, 13393, 24062, 26786, 40651, 81302, 156403, 174109, 312806, 348218, 709829, 1419658, 9227777, 18455554]

約数ペア:

[(1, 18455554), (2, 9227777), (13, 1419658), (26, 709829), (53, 348218), (59, 312806), (106, 174109), (118, 156403), (227, 81302), (454, 40651), (689, 26786), (767, 24062), (1378, 13393), (1534, 12031), (2951, 6254), (3127, 5902)]