19980392

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{34213}}^1$

素因数の和:34292

約数の個数: 16

約数和(自身を含む): 37977540

約数和(自身を除く): 17997148

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 34213, 68426, 136852, 273704, 2497549, 4995098, 9990196, 19980392]

約数ペア:

[(1, 19980392), (2, 9990196), (4, 4995098), (8, 2497549), (73, 273704), (146, 136852), (292, 68426), (584, 34213)]