18412989

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{51577}}^1$

素因数の和:51604

約数の個数: 16

約数和(自身を含む): 29708928

約数和(自身を除く): 11295939

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 51577, 154731, 361039, 876809, 1083117, 2630427, 6137663, 18412989]

約数ペア:

[(1, 18412989), (3, 6137663), (7, 2630427), (17, 1083117), (21, 876809), (51, 361039), (119, 154731), (357, 51577)]