18413087

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 24689664

約数和(自身を除く): 6276577

約数列:

[1, 7, 11, 23, 37, 77, 161, 253, 259, 281, 407, 851, 1771, 1967, 2849, 3091, 5957, 6463, 9361, 10397, 21637, 45241, 65527, 71093, 72779, 114367, 239131, 497651, 800569, 1673917, 2630441, 18413087]

約数ペア:

[(1, 18413087), (7, 2630441), (11, 1673917), (23, 800569), (37, 497651), (77, 239131), (161, 114367), (253, 72779), (259, 71093), (281, 65527), (407, 45241), (851, 21637), (1771, 10397), (1967, 9361), (2849, 6463), (3091, 5957)]