19954862

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{643}}^1$

素因数の和:967

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 10648018

約数列:

[1, 2, 59, 118, 263, 526, 643, 1286, 15517, 31034, 37937, 75874, 169109, 338218, 9977431, 19954862]

約数ペア:

[(1, 19954862), (2, 9977431), (59, 338218), (118, 169109), (263, 75874), (526, 37937), (643, 31034), (1286, 15517)]