18438378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{439009}}^1$

素因数の和:439021

約数の個数: 16

約数和(自身を含む): 42144960

約数和(自身を除く): 23706582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 439009, 878018, 1317027, 2634054, 3073063, 6146126, 9219189, 18438378]

約数ペア:

[(1, 18438378), (2, 9219189), (3, 6146126), (6, 3073063), (7, 2634054), (14, 1317027), (21, 878018), (42, 439009)]