1800454060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{26177}}^1$

素因数の和:26386

約数の個数: 48

約数和(自身を含む): 4002092640

約数和(自身を除く): 2201638580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 1810, 3439, 3620, 6878, 13756, 17195, 26177, 34390, 52354, 68780, 104708, 130885, 261770, 497363, 523540, 994726, 1989452, 2486815, 4738037, 4973630, 9476074, 9947260, 18952148, 23690185, 47380370, 90022703, 94760740, 180045406, 360090812, 450113515, 900227030, 1800454060]

約数ペア:

[(1, 1800454060), (2, 900227030), (4, 450113515), (5, 360090812), (10, 180045406), (19, 94760740), (20, 90022703), (38, 47380370), (76, 23690185), (95, 18952148), (181, 9947260), (190, 9476074), (362, 4973630), (380, 4738037), (724, 2486815), (905, 1989452), (1810, 994726), (3439, 523540), (3620, 497363), (6878, 261770), (13756, 130885), (17195, 104708), (26177, 68780), (34390, 52354)]