19417640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44131}}^1$

素因数の和:44153

約数の個数: 32

約数和(自身を含む): 47662560

約数和(自身を除く): 28244920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44131, 88262, 176524, 220655, 353048, 441310, 485441, 882620, 970882, 1765240, 1941764, 2427205, 3883528, 4854410, 9708820, 19417640]

約数ペア:

[(1, 19417640), (2, 9708820), (4, 4854410), (5, 3883528), (8, 2427205), (10, 1941764), (11, 1765240), (20, 970882), (22, 882620), (40, 485441), (44, 441310), (55, 353048), (88, 220655), (110, 176524), (220, 88262), (440, 44131)]