18420784

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{11399}}^1$

素因数の和:11508

約数の個数: 20

約数和(自身を含む): 36046800

約数和(自身を除く): 17626016

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 11399, 22798, 45596, 91192, 182384, 1151299, 2302598, 4605196, 9210392, 18420784]

約数ペア:

[(1, 18420784), (2, 9210392), (4, 4605196), (8, 2302598), (16, 1151299), (101, 182384), (202, 91192), (404, 45596), (808, 22798), (1616, 11399)]