18720452

素因数分解:

$2^2\times {\mathrm{1453}}^1\times {\mathrm{3221}}^1$

素因数の和:4678

約数の個数: 12

約数和(自身を含む): 32793516

約数和(自身を除く): 14073064

約数列:

[1, 2, 4, 1453, 2906, 3221, 5812, 6442, 12884, 4680113, 9360226, 18720452]

約数ペア:

[(1, 18720452), (2, 9360226), (4, 4680113), (1453, 12884), (2906, 6442), (3221, 5812)]