19237825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 24966656

約数和(自身を除く): 5728831

約数列:

[1, 5, 25, 31, 103, 155, 241, 515, 775, 1205, 2575, 3193, 6025, 7471, 15965, 24823, 37355, 79825, 124115, 186775, 620575, 769513, 3847565, 19237825]

約数ペア:

[(1, 19237825), (5, 3847565), (25, 769513), (31, 620575), (103, 186775), (155, 124115), (241, 79825), (515, 37355), (775, 24823), (1205, 15965), (2575, 7471), (3193, 6025)]