18187770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1381}}^1$

素因数の和:1830

約数の個数: 32

約数和(自身を含む): 43781760

約数和(自身を除く): 25593990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 439, 878, 1317, 1381, 2195, 2634, 2762, 4143, 4390, 6585, 6905, 8286, 13170, 13810, 20715, 41430, 606259, 1212518, 1818777, 3031295, 3637554, 6062590, 9093885, 18187770]

約数ペア:

[(1, 18187770), (2, 9093885), (3, 6062590), (5, 3637554), (6, 3031295), (10, 1818777), (15, 1212518), (30, 606259), (439, 41430), (878, 20715), (1317, 13810), (1381, 13170), (2195, 8286), (2634, 6905), (2762, 6585), (4143, 4390)]