18997616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107941}}^1$

素因数の和:107960

約数の個数: 20

約数和(自身を含む): 40154424

約数和(自身を除く): 21156808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 107941, 215882, 431764, 863528, 1187351, 1727056, 2374702, 4749404, 9498808, 18997616]

約数ペア:

[(1, 18997616), (2, 9498808), (4, 4749404), (8, 2374702), (11, 1727056), (16, 1187351), (22, 863528), (44, 431764), (88, 215882), (176, 107941)]