19770802

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^2$

素因数の和:234

約数の個数: 24

約数和(自身を含む): 31475628

約数和(自身を除く): 11704826

約数列:

[1, 2, 37, 53, 71, 74, 106, 142, 1961, 2627, 3763, 3922, 5041, 5254, 7526, 10082, 139231, 186517, 267173, 278462, 373034, 534346, 9885401, 19770802]

約数ペア:

[(1, 19770802), (2, 9885401), (37, 534346), (53, 373034), (71, 278462), (74, 267173), (106, 186517), (142, 139231), (1961, 10082), (2627, 7526), (3763, 5254), (3922, 5041)]