19490276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19727}}^1$

素因数の和:19763

約数の個数: 24

約数和(自身を含む): 38666880

約数和(自身を除く): 19176604

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 19727, 39454, 78908, 256451, 374813, 512902, 749626, 1025804, 1499252, 4872569, 9745138, 19490276]

約数ペア:

[(1, 19490276), (2, 9745138), (4, 4872569), (13, 1499252), (19, 1025804), (26, 749626), (38, 512902), (52, 374813), (76, 256451), (247, 78908), (494, 39454), (988, 19727)]