18390339

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{431}}^2$

素因数の和:879

約数の個数: 18

約数和(自身を含む): 29046108

約数和(自身を除く): 10655769

約数列:

[1, 3, 9, 11, 33, 99, 431, 1293, 3879, 4741, 14223, 42669, 185761, 557283, 1671849, 2043371, 6130113, 18390339]

約数ペア:

[(1, 18390339), (3, 6130113), (9, 2043371), (11, 1671849), (33, 557283), (99, 185761), (431, 42669), (1293, 14223), (3879, 4741)]