18119825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 24313920

約数和(自身を除く): 6194095

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 925, 1031, 3515, 5155, 17575, 19589, 25775, 38147, 97945, 190735, 489725, 724793, 953675, 3623965, 18119825]

約数ペア:

[(1, 18119825), (5, 3623965), (19, 953675), (25, 724793), (37, 489725), (95, 190735), (185, 97945), (475, 38147), (703, 25775), (925, 19589), (1031, 17575), (3515, 5155)]