18628455

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 31645440

約数和(自身を除く): 13016985

約数列:

[1, 3, 5, 15, 19, 57, 95, 163, 285, 401, 489, 815, 1203, 2005, 2445, 3097, 6015, 7619, 9291, 15485, 22857, 38095, 46455, 65363, 114285, 196089, 326815, 980445, 1241897, 3725691, 6209485, 18628455]

約数ペア:

[(1, 18628455), (3, 6209485), (5, 3725691), (15, 1241897), (19, 980445), (57, 326815), (95, 196089), (163, 114285), (285, 65363), (401, 46455), (489, 38095), (815, 22857), (1203, 15485), (2005, 9291), (2445, 7619), (3097, 6015)]