19520726

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6451}}^1$

素因数の和:6559

約数の個数: 16

約数和(自身を含む): 31356720

約数和(自身を除く): 11835994

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6451, 12902, 109667, 219334, 574139, 1148278, 9760363, 19520726]

約数ペア:

[(1, 19520726), (2, 9760363), (17, 1148278), (34, 574139), (89, 219334), (178, 109667), (1513, 12902), (3026, 6451)]