19790476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2389}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 36806000

約数和(自身を除く): 17015524

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 2389, 4142, 4778, 8284, 9556, 45391, 90782, 181564, 260401, 520802, 1041604, 4947619, 9895238, 19790476]

約数ペア:

[(1, 19790476), (2, 9895238), (4, 4947619), (19, 1041604), (38, 520802), (76, 260401), (109, 181564), (218, 90782), (436, 45391), (2071, 9556), (2389, 8284), (4142, 4778)]