19839988

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8537}}^1$

素因数の和:8631

約数の個数: 24

約数和(自身を含む): 40162752

約数和(自身を除く): 20322764

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 8537, 17074, 34148, 59759, 119518, 239036, 708571, 1417142, 2834284, 4959997, 9919994, 19839988]

約数ペア:

[(1, 19839988), (2, 9919994), (4, 4959997), (7, 2834284), (14, 1417142), (28, 708571), (83, 239036), (166, 119518), (332, 59759), (581, 34148), (1162, 17074), (2324, 8537)]