18437013

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{941}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 30566016

約数和(自身を除く): 12129003

約数列:

[1, 3, 7, 9, 21, 63, 311, 933, 941, 2177, 2799, 2823, 6531, 6587, 8469, 19593, 19761, 59283, 292651, 877953, 2048557, 2633859, 6145671, 18437013]

約数ペア:

[(1, 18437013), (3, 6145671), (7, 2633859), (9, 2048557), (21, 877953), (63, 292651), (311, 59283), (933, 19761), (941, 19593), (2177, 8469), (2799, 6587), (2823, 6531)]