19327820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42017}}^1$

素因数の和:42049

約数の個数: 24

約数和(自身を含む): 42354144

約数和(自身を除く): 23026324

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42017, 84034, 168068, 210085, 420170, 840340, 966391, 1932782, 3865564, 4831955, 9663910, 19327820]

約数ペア:

[(1, 19327820), (2, 9663910), (4, 4831955), (5, 3865564), (10, 1932782), (20, 966391), (23, 840340), (46, 420170), (92, 210085), (115, 168068), (230, 84034), (460, 42017)]