19505031

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 32890368

約数和(自身を除く): 13385337

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 1931, 3367, 5793, 10101, 13517, 25103, 40551, 71447, 75309, 175721, 214341, 500129, 527163, 928811, 1500387, 2786433, 6501677, 19505031]

約数ペア:

[(1, 19505031), (3, 6501677), (7, 2786433), (13, 1500387), (21, 928811), (37, 527163), (39, 500129), (91, 214341), (111, 175721), (259, 75309), (273, 71447), (481, 40551), (777, 25103), (1443, 13517), (1931, 10101), (3367, 5793)]