18412191

素因数分解:

$3^4\times 7^2\times {\mathrm{4639}}^1$

素因数の和:4665

約数の個数: 30

約数和(自身を含む): 32002080

約数和(自身を除く): 13589889

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4639, 13917, 32473, 41751, 97419, 125253, 227311, 292257, 375759, 681933, 876771, 2045799, 2630313, 6137397, 18412191]

約数ペア:

[(1, 18412191), (3, 6137397), (7, 2630313), (9, 2045799), (21, 876771), (27, 681933), (49, 375759), (63, 292257), (81, 227311), (147, 125253), (189, 97419), (441, 41751), (567, 32473), (1323, 13917), (3969, 4639)]