18480940

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5669}}^1$

素因数の和:5841

約数の個数: 24

約数和(自身を含む): 39054960

約数和(自身を除く): 20574020

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5669, 11338, 22676, 28345, 56690, 113380, 924047, 1848094, 3696188, 4620235, 9240470, 18480940]

約数ペア:

[(1, 18480940), (2, 9240470), (4, 4620235), (5, 3696188), (10, 1848094), (20, 924047), (163, 113380), (326, 56690), (652, 28345), (815, 22676), (1630, 11338), (3260, 5669)]