18351125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 25788672

約数和(自身を除く): 7437547

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 491, 575, 1495, 1625, 2455, 2875, 6383, 7475, 11293, 12275, 31915, 37375, 56465, 61375, 146809, 159575, 282325, 734045, 797875, 1411625, 3670225, 18351125]

約数ペア:

[(1, 18351125), (5, 3670225), (13, 1411625), (23, 797875), (25, 734045), (65, 282325), (115, 159575), (125, 146809), (299, 61375), (325, 56465), (491, 37375), (575, 31915), (1495, 12275), (1625, 11293), (2455, 7475), (2875, 6383)]