18076778

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:1033

約数の個数: 16

約数和(自身を含む): 27668520

約数和(自身を除く): 9591742

約数列:

[1, 2, 101, 109, 202, 218, 821, 1642, 11009, 22018, 82921, 89489, 165842, 178978, 9038389, 18076778]

約数ペア:

[(1, 18076778), (2, 9038389), (101, 178978), (109, 165842), (202, 89489), (218, 82921), (821, 22018), (1642, 11009)]