19880212709

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3152087}}^1$

素因数の和:3152164

約数の個数: 16

約数和(自身を含む): 24510636288

約数和(自身を除く): 4630423579

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 3152087, 22064609, 53585479, 167060611, 375098353, 1169424277, 2840030387, 19880212709]

約数ペア:

[(1, 19880212709), (7, 2840030387), (17, 1169424277), (53, 375098353), (119, 167060611), (371, 53585479), (901, 22064609), (6307, 3152087)]