18221295

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3881}}^1$

素因数の和:4202

約数の個数: 16

約数和(自身を含む): 29254752

約数和(自身を除く): 11033457

約数列:

[1, 3, 5, 15, 313, 939, 1565, 3881, 4695, 11643, 19405, 58215, 1214753, 3644259, 6073765, 18221295]

約数ペア:

[(1, 18221295), (3, 6073765), (5, 3644259), (15, 1214753), (313, 58215), (939, 19405), (1565, 11643), (3881, 4695)]