18881654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3167}}^1$

素因数の和:3451

約数の個数: 16

約数和(自身を含む): 31021056

約数和(自身を除く): 12139402

約数列:

[1, 2, 11, 22, 271, 542, 2981, 3167, 5962, 6334, 34837, 69674, 858257, 1716514, 9440827, 18881654]

約数ペア:

[(1, 18881654), (2, 9440827), (11, 1716514), (22, 858257), (271, 69674), (542, 34837), (2981, 6334), (3167, 5962)]