18498717

素因数分解:

$3^2\times {\mathrm{109}}^2\times {\mathrm{173}}^1$

素因数の和:397

約数の個数: 18

約数和(自身を含む): 27123642

約数和(自身を除く): 8624925

約数列:

[1, 3, 9, 109, 173, 327, 519, 981, 1557, 11881, 18857, 35643, 56571, 106929, 169713, 2055413, 6166239, 18498717]

約数ペア:

[(1, 18498717), (3, 6166239), (9, 2055413), (109, 169713), (173, 106929), (327, 56571), (519, 35643), (981, 18857), (1557, 11881)]