18374545

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 26737920

約数和(自身を除く): 8363375

約数列:

[1, 5, 7, 29, 35, 43, 145, 203, 215, 301, 421, 1015, 1247, 1505, 2105, 2947, 6235, 8729, 12209, 14735, 18103, 43645, 61045, 85463, 90515, 126721, 427315, 524987, 633605, 2624935, 3674909, 18374545]

約数ペア:

[(1, 18374545), (5, 3674909), (7, 2624935), (29, 633605), (35, 524987), (43, 427315), (145, 126721), (203, 90515), (215, 85463), (301, 61045), (421, 43645), (1015, 18103), (1247, 14735), (1505, 12209), (2105, 8729), (2947, 6235)]