1945420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 4113648

約数和(自身を除く): 2168228

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 461, 844, 922, 1055, 1844, 2110, 2305, 4220, 4610, 9220, 97271, 194542, 389084, 486355, 972710, 1945420]

約数ペア:

[(1, 1945420), (2, 972710), (4, 486355), (5, 389084), (10, 194542), (20, 97271), (211, 9220), (422, 4610), (461, 4220), (844, 2305), (922, 2110), (1055, 1844)]