19999834

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2207}}^1$

素因数の和:2429

約数の個数: 16

約数和(自身を含む): 31477248

約数和(自身を除く): 11477414

約数列:

[1, 2, 23, 46, 197, 394, 2207, 4414, 4531, 9062, 50761, 101522, 434779, 869558, 9999917, 19999834]

約数ペア:

[(1, 19999834), (2, 9999917), (23, 869558), (46, 434779), (197, 101522), (394, 50761), (2207, 9062), (4414, 4531)]