19821416

素因数分解:

$2^3\times {\mathrm{79}}^2\times {\mathrm{397}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 37736370

約数和(自身を除く): 17914954

約数列:

[1, 2, 4, 8, 79, 158, 316, 397, 632, 794, 1588, 3176, 6241, 12482, 24964, 31363, 49928, 62726, 125452, 250904, 2477677, 4955354, 9910708, 19821416]

約数ペア:

[(1, 19821416), (2, 9910708), (4, 4955354), (8, 2477677), (79, 250904), (158, 125452), (316, 62726), (397, 49928), (632, 31363), (794, 24964), (1588, 12482), (3176, 6241)]