19923560

素因数分解:

$2^3\times 5^1\times {\mathrm{498089}}^1$

素因数の和:498100

約数の個数: 16

約数和(自身を含む): 44828100

約数和(自身を除く): 24904540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 498089, 996178, 1992356, 2490445, 3984712, 4980890, 9961780, 19923560]

約数ペア:

[(1, 19923560), (2, 9961780), (4, 4980890), (5, 3984712), (8, 2490445), (10, 1992356), (20, 996178), (40, 498089)]