18015185

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1744

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 4628527

約数列:

[1, 5, 31, 71, 155, 355, 1637, 2201, 8185, 11005, 50747, 116227, 253735, 581135, 3603037, 18015185]

約数ペア:

[(1, 18015185), (5, 3603037), (31, 581135), (71, 253735), (155, 116227), (355, 50747), (1637, 11005), (2201, 8185)]