19943116

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{907}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 36610560

約数和(自身を除く): 16667444

約数列:

[1, 2, 4, 23, 46, 92, 239, 478, 907, 956, 1814, 3628, 5497, 10994, 20861, 21988, 41722, 83444, 216773, 433546, 867092, 4985779, 9971558, 19943116]

約数ペア:

[(1, 19943116), (2, 9971558), (4, 4985779), (23, 867092), (46, 433546), (92, 216773), (239, 83444), (478, 41722), (907, 21988), (956, 20861), (1814, 10994), (3628, 5497)]