19474708

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40237}}^1$

素因数の和:40263

約数の個数: 18

約数和(自身を含む): 37461578

約数和(自身を除く): 17986870

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40237, 80474, 160948, 442607, 885214, 1770428, 4868677, 9737354, 19474708]

約数ペア:

[(1, 19474708), (2, 9737354), (4, 4868677), (11, 1770428), (22, 885214), (44, 442607), (121, 160948), (242, 80474), (484, 40237)]