19893550

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7507}}^1$

素因数の和:7572

約数の個数: 24

約数和(自身を含む): 37705176

約数和(自身を除く): 17811626

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7507, 15014, 37535, 75070, 187675, 375350, 397871, 795742, 1989355, 3978710, 9946775, 19893550]

約数ペア:

[(1, 19893550), (2, 9946775), (5, 3978710), (10, 1989355), (25, 795742), (50, 397871), (53, 375350), (106, 187675), (265, 75070), (530, 37535), (1325, 15014), (2650, 7507)]