19426840

素因数分解:

$2^3\times 5^1\times {\mathrm{485671}}^1$

素因数の和:485682

約数の個数: 16

約数和(自身を含む): 43710480

約数和(自身を除く): 24283640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 485671, 971342, 1942684, 2428355, 3885368, 4856710, 9713420, 19426840]

約数ペア:

[(1, 19426840), (2, 9713420), (4, 4856710), (5, 3885368), (8, 2428355), (10, 1942684), (20, 971342), (40, 485671)]