18909355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{827}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 24144480

約数和(自身を除く): 5235125

約数列:

[1, 5, 17, 85, 269, 827, 1345, 4135, 4573, 14059, 22865, 70295, 222463, 1112315, 3781871, 18909355]

約数ペア:

[(1, 18909355), (5, 3781871), (17, 1112315), (85, 222463), (269, 70295), (827, 22865), (1345, 14059), (4135, 4573)]