18897116

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8543}}^1$

素因数の和:8633

約数の個数: 24

約数和(自身を含む): 38277120

約数和(自身を除く): 19380004

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 8543, 17086, 34172, 59801, 119602, 239204, 674897, 1349794, 2699588, 4724279, 9448558, 18897116]

約数ペア:

[(1, 18897116), (2, 9448558), (4, 4724279), (7, 2699588), (14, 1349794), (28, 674897), (79, 239204), (158, 119602), (316, 59801), (553, 34172), (1106, 17086), (2212, 8543)]