18595945

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 22770000

約数和(自身を除く): 4174055

約数列:

[1, 5, 109, 149, 229, 545, 745, 1145, 16241, 24961, 34121, 81205, 124805, 170605, 3719189, 18595945]

約数ペア:

[(1, 18595945), (5, 3719189), (109, 170605), (149, 124805), (229, 81205), (545, 34121), (745, 24961), (1145, 16241)]