19810744

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{10909}}^1$

素因数の和:11142

約数の個数: 16

約数和(自身を含む): 37312200

約数和(自身を除く): 17501456

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 10909, 21818, 43636, 87272, 2476343, 4952686, 9905372, 19810744]

約数ペア:

[(1, 19810744), (2, 9905372), (4, 4952686), (8, 2476343), (227, 87272), (454, 43636), (908, 21818), (1816, 10909)]