18156940

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3767}}^1$

素因数の和:4017

約数の個数: 24

約数和(自身を含む): 38297952

約数和(自身を除く): 20141012

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 3767, 4820, 7534, 15068, 18835, 37670, 75340, 907847, 1815694, 3631388, 4539235, 9078470, 18156940]

約数ペア:

[(1, 18156940), (2, 9078470), (4, 4539235), (5, 3631388), (10, 1815694), (20, 907847), (241, 75340), (482, 37670), (964, 18835), (1205, 15068), (2410, 7534), (3767, 4820)]