18389665

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 27592704

約数和(自身を除く): 9203039

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 997, 1085, 2635, 3689, 4985, 6979, 16949, 18445, 30907, 34895, 84745, 118643, 154535, 216349, 525419, 593215, 1081745, 2627095, 3677933, 18389665]

約数ペア:

[(1, 18389665), (5, 3677933), (7, 2627095), (17, 1081745), (31, 593215), (35, 525419), (85, 216349), (119, 154535), (155, 118643), (217, 84745), (527, 34895), (595, 30907), (997, 18445), (1085, 16949), (2635, 6979), (3689, 4985)]