18897490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{82163}}^1$

素因数の和:82193

約数の個数: 16

約数和(自身を含む): 35494848

約数和(自身を除く): 16597358

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 82163, 164326, 410815, 821630, 1889749, 3779498, 9448745, 18897490]

約数ペア:

[(1, 18897490), (2, 9448745), (5, 3779498), (10, 1889749), (23, 821630), (46, 410815), (115, 164326), (230, 82163)]