18806918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2311}}^1$

素因数の和:2639

約数の個数: 16

約数和(自身を含む): 30490656

約数和(自身を除く): 11683738

約数列:

[1, 2, 13, 26, 313, 626, 2311, 4069, 4622, 8138, 30043, 60086, 723343, 1446686, 9403459, 18806918]

約数ペア:

[(1, 18806918), (2, 9403459), (13, 1446686), (26, 723343), (313, 60086), (626, 30043), (2311, 8138), (4069, 4622)]