18838235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9349}}^1$

素因数の和:9398

約数の個数: 16

約数和(自身を含む): 25132800

約数和(自身を除く): 6294565

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9349, 46745, 121537, 289819, 607685, 1449095, 3767647, 18838235]

約数ペア:

[(1, 18838235), (5, 3767647), (13, 1449095), (31, 607685), (65, 289819), (155, 121537), (403, 46745), (2015, 9349)]