19630820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89231}}^1$

素因数の和:89251

約数の個数: 24

約数和(自身を含む): 44972928

約数和(自身を除く): 25342108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89231, 178462, 356924, 446155, 892310, 981541, 1784620, 1963082, 3926164, 4907705, 9815410, 19630820]

約数ペア:

[(1, 19630820), (2, 9815410), (4, 4907705), (5, 3926164), (10, 1963082), (11, 1784620), (20, 981541), (22, 892310), (44, 446155), (55, 356924), (110, 178462), (220, 89231)]