18252915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 30744576

約数和(自身を除く): 12491661

約数列:

[1, 3, 5, 15, 23, 69, 115, 191, 277, 345, 573, 831, 955, 1385, 2865, 4155, 4393, 6371, 13179, 19113, 21965, 31855, 52907, 65895, 95565, 158721, 264535, 793605, 1216861, 3650583, 6084305, 18252915]

約数ペア:

[(1, 18252915), (3, 6084305), (5, 3650583), (15, 1216861), (23, 793605), (69, 264535), (115, 158721), (191, 95565), (277, 65895), (345, 52907), (573, 31855), (831, 21965), (955, 19113), (1385, 13179), (2865, 6371), (4155, 4393)]