16211918

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1789}}^1$

素因数の和:2011

約数の個数: 16

約数和(自身を含む): 25518240

約数和(自身を除く): 9306322

約数列:

[1, 2, 23, 46, 197, 394, 1789, 3578, 4531, 9062, 41147, 82294, 352433, 704866, 8105959, 16211918]

約数ペア:

[(1, 16211918), (2, 8105959), (23, 704866), (46, 352433), (197, 82294), (394, 41147), (1789, 9062), (3578, 4531)]