18455125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 25500384

約数和(自身を除く): 7045259

約数列:

[1, 5, 13, 25, 41, 65, 125, 205, 277, 325, 533, 1025, 1385, 1625, 2665, 3601, 5125, 6925, 11357, 13325, 18005, 34625, 56785, 66625, 90025, 147641, 283925, 450125, 738205, 1419625, 3691025, 18455125]

約数ペア:

[(1, 18455125), (5, 3691025), (13, 1419625), (25, 738205), (41, 450125), (65, 283925), (125, 147641), (205, 90025), (277, 66625), (325, 56785), (533, 34625), (1025, 18005), (1385, 13325), (1625, 11357), (2665, 6925), (3601, 5125)]