18942170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145709}}^1$

素因数の和:145729

約数の個数: 16

約数和(自身を含む): 36718920

約数和(自身を除く): 17776750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 145709, 291418, 728545, 1457090, 1894217, 3788434, 9471085, 18942170]

約数ペア:

[(1, 18942170), (2, 9471085), (5, 3788434), (10, 1894217), (13, 1457090), (26, 728545), (65, 291418), (130, 145709)]