19680017824

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{3917201}}^1$

素因数の和:3917368

約数の個数: 24

約数和(自身を含む): 38991828708

約数和(自身を除く): 19311810884

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 5024, 3917201, 7834402, 15668804, 31337608, 62675216, 125350432, 615000557, 1230001114, 2460002228, 4920004456, 9840008912, 19680017824]

約数ペア:

[(1, 19680017824), (2, 9840008912), (4, 4920004456), (8, 2460002228), (16, 1230001114), (32, 615000557), (157, 125350432), (314, 62675216), (628, 31337608), (1256, 15668804), (2512, 7834402), (5024, 3917201)]