19865252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{887}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 38041920

約数和(自身を除く): 18176668

約数列:

[1, 2, 4, 11, 22, 44, 509, 887, 1018, 1774, 2036, 3548, 5599, 9757, 11198, 19514, 22396, 39028, 451483, 902966, 1805932, 4966313, 9932626, 19865252]

約数ペア:

[(1, 19865252), (2, 9932626), (4, 4966313), (11, 1805932), (22, 902966), (44, 451483), (509, 39028), (887, 22396), (1018, 19514), (1774, 11198), (2036, 9757), (3548, 5599)]