19413080

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1531}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 43845840

約数和(自身を除く): 24432760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1531, 1585, 2536, 3062, 3170, 6124, 6340, 7655, 12248, 12680, 15310, 30620, 61240, 485327, 970654, 1941308, 2426635, 3882616, 4853270, 9706540, 19413080]

約数ペア:

[(1, 19413080), (2, 9706540), (4, 4853270), (5, 3882616), (8, 2426635), (10, 1941308), (20, 970654), (40, 485327), (317, 61240), (634, 30620), (1268, 15310), (1531, 12680), (1585, 12248), (2536, 7655), (3062, 6340), (3170, 6124)]