18984615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7489}}^1$

素因数の和:7523

約数の個数: 24

約数和(自身を含む): 32896080

約数和(自身を除く): 13911465

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7489, 22467, 37445, 97357, 112335, 292071, 486785, 1265641, 1460355, 3796923, 6328205, 18984615]

約数ペア:

[(1, 18984615), (3, 6328205), (5, 3796923), (13, 1460355), (15, 1265641), (39, 486785), (65, 292071), (169, 112335), (195, 97357), (507, 37445), (845, 22467), (2535, 7489)]