19408520

素因数分解:

$2^3\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1039}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 43804800

約数和(自身を除く): 24396280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 467, 934, 1039, 1868, 2078, 2335, 3736, 4156, 4670, 5195, 8312, 9340, 10390, 18680, 20780, 41560, 485213, 970426, 1940852, 2426065, 3881704, 4852130, 9704260, 19408520]

約数ペア:

[(1, 19408520), (2, 9704260), (4, 4852130), (5, 3881704), (8, 2426065), (10, 1940852), (20, 970426), (40, 485213), (467, 41560), (934, 20780), (1039, 18680), (1868, 10390), (2078, 9340), (2335, 8312), (3736, 5195), (4156, 4670)]