18541990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17011}}^1$

素因数の和:17127

約数の個数: 16

約数和(自身を含む): 33683760

約数和(自身を除く): 15141770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17011, 34022, 85055, 170110, 1854199, 3708398, 9270995, 18541990]

約数ペア:

[(1, 18541990), (2, 9270995), (5, 3708398), (10, 1854199), (109, 170110), (218, 85055), (545, 34022), (1090, 17011)]