19959852

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1699}}^1$

素因数の和:1806

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 31448148

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 132, 178, 267, 356, 534, 979, 1068, 1699, 1958, 2937, 3398, 3916, 5097, 5874, 6796, 10194, 11748, 18689, 20388, 37378, 56067, 74756, 112134, 151211, 224268, 302422, 453633, 604844, 907266, 1663321, 1814532, 3326642, 4989963, 6653284, 9979926, 19959852]

約数ペア:

[(1, 19959852), (2, 9979926), (3, 6653284), (4, 4989963), (6, 3326642), (11, 1814532), (12, 1663321), (22, 907266), (33, 604844), (44, 453633), (66, 302422), (89, 224268), (132, 151211), (178, 112134), (267, 74756), (356, 56067), (534, 37378), (979, 20388), (1068, 18689), (1699, 11748), (1958, 10194), (2937, 6796), (3398, 5874), (3916, 5097)]