19730673

素因数分解:

$3^2\times {\mathrm{97}}^2\times {\mathrm{233}}^1$

素因数の和:433

約数の個数: 18

約数和(自身を含む): 28920294

約数和(自身を除く): 9189621

約数列:

[1, 3, 9, 97, 233, 291, 699, 873, 2097, 9409, 22601, 28227, 67803, 84681, 203409, 2192297, 6576891, 19730673]

約数ペア:

[(1, 19730673), (3, 6576891), (9, 2192297), (97, 203409), (233, 84681), (291, 67803), (699, 28227), (873, 22601), (2097, 9409)]