19654322

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 31777200

約数和(自身を除く): 12122878

約数列:

[1, 2, 19, 38, 61, 122, 139, 278, 1159, 2318, 2641, 3721, 5282, 7442, 8479, 16958, 70699, 141398, 161101, 322202, 517219, 1034438, 9827161, 19654322]

約数ペア:

[(1, 19654322), (2, 9827161), (19, 1034438), (38, 517219), (61, 322202), (122, 161101), (139, 141398), (278, 70699), (1159, 16958), (2318, 8479), (2641, 7442), (3721, 5282)]