15631376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{51419}}^1$

素因数の和:51446

約数の個数: 20

約数和(自身を含む): 31880400

約数和(自身を除く): 16249024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 51419, 102838, 205676, 411352, 822704, 976961, 1953922, 3907844, 7815688, 15631376]

約数ペア:

[(1, 15631376), (2, 7815688), (4, 3907844), (8, 1953922), (16, 976961), (19, 822704), (38, 411352), (76, 205676), (152, 102838), (304, 51419)]