19155470

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21523}}^1$

素因数の和:21619

約数の個数: 16

約数和(自身を含む): 34868880

約数和(自身を除く): 15713410

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21523, 43046, 107615, 215230, 1915547, 3831094, 9577735, 19155470]

約数ペア:

[(1, 19155470), (2, 9577735), (5, 3831094), (10, 1915547), (89, 215230), (178, 107615), (445, 43046), (890, 21523)]