19993210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{86927}}^1$

素因数の和:86957

約数の個数: 16

約数和(自身を含む): 37552896

約数和(自身を除く): 17559686

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 86927, 173854, 434635, 869270, 1999321, 3998642, 9996605, 19993210]

約数ペア:

[(1, 19993210), (2, 9996605), (5, 3998642), (10, 1999321), (23, 869270), (46, 434635), (115, 173854), (230, 86927)]