18200679

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21139}}^1$

素因数の和:21190

約数の個数: 16

約数和(自身を含む): 28412160

約数和(自身を除く): 10211481

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 21139, 63417, 147973, 443919, 866699, 2600097, 6066893, 18200679]

約数ペア:

[(1, 18200679), (3, 6066893), (7, 2600097), (21, 866699), (41, 443919), (123, 147973), (287, 63417), (861, 21139)]