18896824

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{38723}}^1$

素因数の和:38790

約数の個数: 16

約数和(自身を含む): 36013320

約数和(自身を除く): 17116496

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 38723, 77446, 154892, 309784, 2362103, 4724206, 9448412, 18896824]

約数ペア:

[(1, 18896824), (2, 9448412), (4, 4724206), (8, 2362103), (61, 309784), (122, 154892), (244, 77446), (488, 38723)]