18152825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 23688960

約数和(自身を除く): 5536135

約数列:

[1, 5, 25, 31, 59, 155, 295, 397, 775, 1475, 1829, 1985, 9145, 9925, 12307, 23423, 45725, 61535, 117115, 307675, 585575, 726113, 3630565, 18152825]

約数ペア:

[(1, 18152825), (5, 3630565), (25, 726113), (31, 585575), (59, 307675), (155, 117115), (295, 61535), (397, 45725), (775, 23423), (1475, 12307), (1829, 9925), (1985, 9145)]