18019870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1531}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 35738496

約数和(自身を除く): 17718626

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 1070, 1177, 1531, 2354, 3062, 5885, 7655, 11770, 15310, 16841, 33682, 84205, 163817, 168410, 327634, 819085, 1638170, 1801987, 3603974, 9009935, 18019870]

約数ペア:

[(1, 18019870), (2, 9009935), (5, 3603974), (10, 1801987), (11, 1638170), (22, 819085), (55, 327634), (107, 168410), (110, 163817), (214, 84205), (535, 33682), (1070, 16841), (1177, 15310), (1531, 11770), (2354, 7655), (3062, 5885)]