18320005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 24476256

約数和(自身を除く): 6156251

約数列:

[1, 5, 11, 55, 107, 121, 283, 535, 605, 1177, 1415, 3113, 5885, 12947, 15565, 30281, 34243, 64735, 151405, 171215, 333091, 1665455, 3664001, 18320005]

約数ペア:

[(1, 18320005), (5, 3664001), (11, 1665455), (55, 333091), (107, 171215), (121, 151405), (283, 64735), (535, 34243), (605, 30281), (1177, 15565), (1415, 12947), (3113, 5885)]