19260440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2521}}^1$

素因数の和:2723

約数の個数: 32

約数和(自身を含む): 43580160

約数和(自身を除く): 24319720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2521, 3820, 5042, 7640, 10084, 12605, 20168, 25210, 50420, 100840, 481511, 963022, 1926044, 2407555, 3852088, 4815110, 9630220, 19260440]

約数ペア:

[(1, 19260440), (2, 9630220), (4, 4815110), (5, 3852088), (8, 2407555), (10, 1926044), (20, 963022), (40, 481511), (191, 100840), (382, 50420), (764, 25210), (955, 20168), (1528, 12605), (1910, 10084), (2521, 7640), (3820, 5042)]