19648889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1327}}^1$

素因数の和:1424

約数の個数: 16

約数和(自身を含む): 22756608

約数和(自身を除く): 3107719

約数列:

[1, 13, 17, 67, 221, 871, 1139, 1327, 14807, 17251, 22559, 88909, 293267, 1155817, 1511453, 19648889]

約数ペア:

[(1, 19648889), (13, 1511453), (17, 1155817), (67, 293267), (221, 88909), (871, 22559), (1139, 17251), (1327, 14807)]