19615958

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1721}}^1$

素因数の和:1903

約数の個数: 16

約数和(自身を含む): 30376080

約数和(自身を除く): 10760122

約数列:

[1, 2, 41, 82, 139, 278, 1721, 3442, 5699, 11398, 70561, 141122, 239219, 478438, 9807979, 19615958]

約数ペア:

[(1, 19615958), (2, 9807979), (41, 478438), (82, 239219), (139, 141122), (278, 70561), (1721, 11398), (3442, 5699)]