19746775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 6501545

約数列:

[1, 5, 17, 25, 85, 97, 425, 479, 485, 1649, 2395, 2425, 8143, 8245, 11975, 40715, 41225, 46463, 203575, 232315, 789871, 1161575, 3949355, 19746775]

約数ペア:

[(1, 19746775), (5, 3949355), (17, 1161575), (25, 789871), (85, 232315), (97, 203575), (425, 46463), (479, 41225), (485, 40715), (1649, 11975), (2395, 8245), (2425, 8143)]