19993580

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6133}}^1$

素因数の和:6305

約数の個数: 24

約数和(自身を含む): 42250992

約数和(自身を除く): 22257412

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6133, 12266, 24532, 30665, 61330, 122660, 999679, 1999358, 3998716, 4998395, 9996790, 19993580]

約数ペア:

[(1, 19993580), (2, 9996790), (4, 4998395), (5, 3998716), (10, 1999358), (20, 999679), (163, 122660), (326, 61330), (652, 30665), (815, 24532), (1630, 12266), (3260, 6133)]