18220808

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{73471}}^1$

素因数の和:73508

約数の個数: 16

約数和(自身を含む): 35266560

約数和(自身を除く): 17045752

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 73471, 146942, 293884, 587768, 2277601, 4555202, 9110404, 18220808]

約数ペア:

[(1, 18220808), (2, 9110404), (4, 4555202), (8, 2277601), (31, 587768), (62, 293884), (124, 146942), (248, 73471)]