18982005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{617}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 34884864

約数和(自身を除く): 15902859

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 293, 617, 879, 1465, 1851, 2051, 3085, 4319, 4395, 6153, 9255, 10255, 12957, 21595, 30765, 64785, 180781, 542343, 903905, 1265467, 2711715, 3796401, 6327335, 18982005]

約数ペア:

[(1, 18982005), (3, 6327335), (5, 3796401), (7, 2711715), (15, 1265467), (21, 903905), (35, 542343), (105, 180781), (293, 64785), (617, 30765), (879, 21595), (1465, 12957), (1851, 10255), (2051, 9255), (3085, 6153), (4319, 4395)]