18767790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1381}}^1$

素因数の和:1545

約数の個数: 48

約数和(自身を含む): 49154976

約数和(自身を除く): 30387186

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 151, 302, 453, 755, 906, 1359, 1381, 1510, 2265, 2718, 2762, 4143, 4530, 6795, 6905, 8286, 12429, 13590, 13810, 20715, 24858, 41430, 62145, 124290, 208531, 417062, 625593, 1042655, 1251186, 1876779, 2085310, 3127965, 3753558, 6255930, 9383895, 18767790]

約数ペア:

[(1, 18767790), (2, 9383895), (3, 6255930), (5, 3753558), (6, 3127965), (9, 2085310), (10, 1876779), (15, 1251186), (18, 1042655), (30, 625593), (45, 417062), (90, 208531), (151, 124290), (302, 62145), (453, 41430), (755, 24858), (906, 20715), (1359, 13810), (1381, 13590), (1510, 12429), (2265, 8286), (2718, 6905), (2762, 6795), (4143, 4530)]