18812960

素因数分解:

$2^5\times 5^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 25893856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 307, 383, 614, 766, 1228, 1532, 1535, 1915, 2456, 3064, 3070, 3830, 4912, 6128, 6140, 7660, 9824, 12256, 12280, 15320, 24560, 30640, 49120, 61280, 117581, 235162, 470324, 587905, 940648, 1175810, 1881296, 2351620, 3762592, 4703240, 9406480, 18812960]

約数ペア:

[(1, 18812960), (2, 9406480), (4, 4703240), (5, 3762592), (8, 2351620), (10, 1881296), (16, 1175810), (20, 940648), (32, 587905), (40, 470324), (80, 235162), (160, 117581), (307, 61280), (383, 49120), (614, 30640), (766, 24560), (1228, 15320), (1532, 12280), (1535, 12256), (1915, 9824), (2456, 7660), (3064, 6140), (3070, 6128), (3830, 4912)]