18618925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 25310880

約数和(自身を除く): 6691955

約数列:

[1, 5, 13, 25, 59, 65, 295, 325, 767, 971, 1475, 3835, 4855, 12623, 19175, 24275, 57289, 63115, 286445, 315575, 744757, 1432225, 3723785, 18618925]

約数ペア:

[(1, 18618925), (5, 3723785), (13, 1432225), (25, 744757), (59, 315575), (65, 286445), (295, 63115), (325, 57289), (767, 24275), (971, 19175), (1475, 12623), (3835, 4855)]