18117605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 25280640

約数和(自身を除く): 7163035

約数列:

[1, 5, 11, 29, 37, 55, 145, 185, 307, 319, 407, 1073, 1535, 1595, 2035, 3377, 5365, 8903, 11359, 11803, 16885, 44515, 56795, 59015, 97933, 124949, 329411, 489665, 624745, 1647055, 3623521, 18117605]

約数ペア:

[(1, 18117605), (5, 3623521), (11, 1647055), (29, 624745), (37, 489665), (55, 329411), (145, 124949), (185, 97933), (307, 59015), (319, 56795), (407, 44515), (1073, 16885), (1535, 11803), (1595, 11359), (2035, 8903), (3377, 5365)]