18703315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 25773120

約数和(自身を除く): 7069805

約数列:

[1, 5, 17, 19, 37, 85, 95, 185, 313, 323, 629, 703, 1565, 1615, 3145, 3515, 5321, 5947, 11581, 11951, 26605, 29735, 57905, 59755, 101099, 196877, 220039, 505495, 984385, 1100195, 3740663, 18703315]

約数ペア:

[(1, 18703315), (5, 3740663), (17, 1100195), (19, 984385), (37, 505495), (85, 220039), (95, 196877), (185, 101099), (313, 59755), (323, 57905), (629, 29735), (703, 26605), (1565, 11951), (1615, 11581), (3145, 5947), (3515, 5321)]