19287191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{541}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 24142848

約数和(自身を除く): 4855657

約数列:

[1, 7, 11, 77, 463, 541, 3241, 3787, 5093, 5951, 35651, 41657, 250483, 1753381, 2755313, 19287191]

約数ペア:

[(1, 19287191), (7, 2755313), (11, 1753381), (77, 250483), (463, 41657), (541, 35651), (3241, 5951), (3787, 5093)]