18400226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{421}}^1$

素因数の和:518

約数の個数: 24

約数和(自身を含む): 30538452

約数和(自身を除く): 12138226

約数列:

[1, 2, 13, 26, 41, 82, 421, 533, 842, 1066, 1681, 3362, 5473, 10946, 17261, 21853, 34522, 43706, 224393, 448786, 707701, 1415402, 9200113, 18400226]

約数ペア:

[(1, 18400226), (2, 9200113), (13, 1415402), (26, 707701), (41, 448786), (82, 224393), (421, 43706), (533, 34522), (842, 21853), (1066, 17261), (1681, 10946), (3362, 5473)]