18620410

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6871}}^1$

素因数の和:7149

約数の個数: 16

約数和(自身を含む): 33645312

約数和(自身を除く): 15024902

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 6871, 13742, 34355, 68710, 1862041, 3724082, 9310205, 18620410]

約数ペア:

[(1, 18620410), (2, 9310205), (5, 3724082), (10, 1862041), (271, 68710), (542, 34355), (1355, 13742), (2710, 6871)]