18221005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5431}}^1$

素因数の和:5508

約数の個数: 16

約数和(自身を含む): 24248448

約数和(自身を除く): 6027443

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 5431, 27155, 59741, 298705, 331291, 1656455, 3644201, 18221005]

約数ペア:

[(1, 18221005), (5, 3644201), (11, 1656455), (55, 331291), (61, 298705), (305, 59741), (671, 27155), (3355, 5431)]