18713450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 40187904

約数和(自身を除く): 21474454

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 127, 175, 254, 350, 421, 635, 842, 889, 1270, 1778, 2105, 2947, 3175, 4210, 4445, 5894, 6350, 8890, 10525, 14735, 21050, 22225, 29470, 44450, 53467, 73675, 106934, 147350, 267335, 374269, 534670, 748538, 1336675, 1871345, 2673350, 3742690, 9356725, 18713450]

約数ペア:

[(1, 18713450), (2, 9356725), (5, 3742690), (7, 2673350), (10, 1871345), (14, 1336675), (25, 748538), (35, 534670), (50, 374269), (70, 267335), (127, 147350), (175, 106934), (254, 73675), (350, 53467), (421, 44450), (635, 29470), (842, 22225), (889, 21050), (1270, 14735), (1778, 10525), (2105, 8890), (2947, 6350), (3175, 5894), (4210, 4445)]