17911790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{653}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 34939296

約数和(自身を除く): 17027506

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 653, 1055, 1306, 2110, 2743, 3265, 5486, 6530, 8489, 13715, 16978, 27430, 42445, 84890, 137783, 275566, 688915, 1377830, 1791179, 3582358, 8955895, 17911790]

約数ペア:

[(1, 17911790), (2, 8955895), (5, 3582358), (10, 1791179), (13, 1377830), (26, 688915), (65, 275566), (130, 137783), (211, 84890), (422, 42445), (653, 27430), (1055, 16978), (1306, 13715), (2110, 8489), (2743, 6530), (3265, 5486)]