18019736

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2131}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 38887680

約数和(自身を除く): 20867944

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 2131, 4228, 4262, 8456, 8524, 14917, 17048, 29834, 59668, 119336, 321781, 643562, 1287124, 2252467, 2574248, 4504934, 9009868, 18019736]

約数ペア:

[(1, 18019736), (2, 9009868), (4, 4504934), (7, 2574248), (8, 2252467), (14, 1287124), (28, 643562), (56, 321781), (151, 119336), (302, 59668), (604, 29834), (1057, 17048), (1208, 14917), (2114, 8524), (2131, 8456), (4228, 4262)]