18919030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145531}}^1$

素因数の和:145551

約数の個数: 16

約数和(自身を含む): 36674064

約数和(自身を除く): 17755034

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 145531, 291062, 727655, 1455310, 1891903, 3783806, 9459515, 18919030]

約数ペア:

[(1, 18919030), (2, 9459515), (5, 3783806), (10, 1891903), (13, 1455310), (26, 727655), (65, 291062), (130, 145531)]