18628516

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 33304320

約数和(自身を除く): 14675804

約数列:

[1, 2, 4, 79, 158, 167, 316, 334, 353, 668, 706, 1412, 13193, 26386, 27887, 52772, 55774, 58951, 111548, 117902, 235804, 4657129, 9314258, 18628516]

約数ペア:

[(1, 18628516), (2, 9314258), (4, 4657129), (79, 235804), (158, 117902), (167, 111548), (316, 58951), (334, 55774), (353, 52772), (668, 27887), (706, 26386), (1412, 13193)]