18138879

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3457}}^1$

素因数の和:3527

約数の個数: 24

約数和(自身を含む): 29130192

約数和(自身を除く): 10991313

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 3457, 5247, 10371, 31113, 38027, 114081, 183221, 342243, 549663, 1648989, 2015431, 6046293, 18138879]

約数ペア:

[(1, 18138879), (3, 6046293), (9, 2015431), (11, 1648989), (33, 549663), (53, 342243), (99, 183221), (159, 114081), (477, 38027), (583, 31113), (1749, 10371), (3457, 5247)]