18430228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 34110720

約数和(自身を除く): 15680492

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 863, 1124, 1726, 3452, 5339, 10678, 16397, 21356, 32794, 65588, 242503, 485006, 970012, 4607557, 9215114, 18430228]

約数ペア:

[(1, 18430228), (2, 9215114), (4, 4607557), (19, 970012), (38, 485006), (76, 242503), (281, 65588), (562, 32794), (863, 21356), (1124, 16397), (1726, 10678), (3452, 5339)]