18029375

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 27816096

約数和(自身を除く): 9786721

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 317, 325, 455, 625, 875, 1585, 1625, 2219, 2275, 4121, 4375, 7925, 8125, 11095, 11375, 20605, 28847, 39625, 55475, 56875, 103025, 144235, 198125, 277375, 515125, 721175, 1386875, 2575625, 3605875, 18029375]

約数ペア:

[(1, 18029375), (5, 3605875), (7, 2575625), (13, 1386875), (25, 721175), (35, 515125), (65, 277375), (91, 198125), (125, 144235), (175, 103025), (317, 56875), (325, 55475), (455, 39625), (625, 28847), (875, 20605), (1585, 11375), (1625, 11095), (2219, 8125), (2275, 7925), (4121, 4375)]