19933406

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{1087}}^1$

素因数の和:1315

約数の個数: 16

約数和(自身を含む): 30668544

約数和(自身を除く): 10735138

約数列:

[1, 2, 53, 106, 173, 346, 1087, 2174, 9169, 18338, 57611, 115222, 188051, 376102, 9966703, 19933406]

約数ペア:

[(1, 19933406), (2, 9966703), (53, 376102), (106, 188051), (173, 115222), (346, 57611), (1087, 18338), (2174, 9169)]