19549220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31531}}^1$

素因数の和:31571

約数の個数: 24

約数和(自身を含む): 42379008

約数和(自身を除く): 22829788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31531, 63062, 126124, 157655, 315310, 630620, 977461, 1954922, 3909844, 4887305, 9774610, 19549220]

約数ペア:

[(1, 19549220), (2, 9774610), (4, 4887305), (5, 3909844), (10, 1954922), (20, 977461), (31, 630620), (62, 315310), (124, 157655), (155, 126124), (310, 63062), (620, 31531)]