18606340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10453}}^1$

素因数の和:10551

約数の個数: 24

約数和(自身を含む): 39516120

約数和(自身を除く): 20909780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 10453, 20906, 41812, 52265, 104530, 209060, 930317, 1860634, 3721268, 4651585, 9303170, 18606340]

約数ペア:

[(1, 18606340), (2, 9303170), (4, 4651585), (5, 3721268), (10, 1860634), (20, 930317), (89, 209060), (178, 104530), (356, 52265), (445, 41812), (890, 20906), (1780, 10453)]