18025345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4139}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 23647680

約数和(自身を除く): 5622335

約数列:

[1, 5, 13, 65, 67, 335, 871, 4139, 4355, 20695, 53807, 269035, 277313, 1386565, 3605069, 18025345]

約数ペア:

[(1, 18025345), (5, 3605069), (13, 1386565), (65, 277313), (67, 269035), (335, 53807), (871, 20695), (4139, 4355)]