18955018

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:933

約数の個数: 16

約数和(自身を含む): 29060640

約数和(自身を除く): 10105622

約数列:

[1, 2, 61, 122, 251, 502, 619, 1238, 15311, 30622, 37759, 75518, 155369, 310738, 9477509, 18955018]

約数ペア:

[(1, 18955018), (2, 9477509), (61, 310738), (122, 155369), (251, 75518), (502, 37759), (619, 30622), (1238, 15311)]