19380490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{84263}}^1$

素因数の和:84293

約数の個数: 16

約数和(自身を含む): 36402048

約数和(自身を除く): 17021558

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 84263, 168526, 421315, 842630, 1938049, 3876098, 9690245, 19380490]

約数ペア:

[(1, 19380490), (2, 9690245), (5, 3876098), (10, 1938049), (23, 842630), (46, 421315), (115, 168526), (230, 84263)]