19643278

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{1621}}^1$

素因数の和:1779

約数の個数: 16

約数和(自身を含む): 30247056

約数和(自身を除く): 10603778

約数列:

[1, 2, 73, 83, 146, 166, 1621, 3242, 6059, 12118, 118333, 134543, 236666, 269086, 9821639, 19643278]

約数ペア:

[(1, 19643278), (2, 9821639), (73, 269086), (83, 236666), (146, 134543), (166, 118333), (1621, 12118), (3242, 6059)]