18915949

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 21111552

約数和(自身を除く): 2195603

約数列:

[1, 13, 47, 83, 373, 611, 1079, 3901, 4849, 17531, 30959, 50713, 227903, 402467, 1455073, 18915949]

約数ペア:

[(1, 18915949), (13, 1455073), (47, 402467), (83, 227903), (373, 50713), (611, 30959), (1079, 17531), (3901, 4849)]