18693375

素因数分解:

$3^1\times 5^3\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 31549440

約数和(自身を除く): 12856065

約数列:

[1, 3, 5, 15, 25, 75, 79, 125, 237, 375, 395, 631, 1185, 1893, 1975, 3155, 5925, 9465, 9875, 15775, 29625, 47325, 49849, 78875, 149547, 236625, 249245, 747735, 1246225, 3738675, 6231125, 18693375]

約数ペア:

[(1, 18693375), (3, 6231125), (5, 3738675), (15, 1246225), (25, 747735), (75, 249245), (79, 236625), (125, 149547), (237, 78875), (375, 49849), (395, 47325), (631, 29625), (1185, 15775), (1893, 9875), (1975, 9465), (3155, 5925)]