18874353

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2417}}^1$

素因数の和:2576

約数の個数: 16

約数和(自身を含む): 26694720

約数和(自身を除く): 7820367

約数列:

[1, 3, 19, 57, 137, 411, 2417, 2603, 7251, 7809, 45923, 137769, 331129, 993387, 6291451, 18874353]

約数ペア:

[(1, 18874353), (3, 6291451), (19, 993387), (57, 331129), (137, 137769), (411, 45923), (2417, 7809), (2603, 7251)]