18881090

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{14867}}^1$

素因数の和:15001

約数の個数: 16

約数和(自身を含む): 34255872

約数和(自身を除く): 15374782

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 14867, 29734, 74335, 148670, 1888109, 3776218, 9440545, 18881090]

約数ペア:

[(1, 18881090), (2, 9440545), (5, 3776218), (10, 1888109), (127, 148670), (254, 74335), (635, 29734), (1270, 14867)]