18837770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8681}}^1$

素因数の和:8726

約数の個数: 32

約数和(自身を含む): 40006656

約数和(自身を除く): 21168886

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8681, 17362, 43405, 60767, 86810, 121534, 269111, 303835, 538222, 607670, 1345555, 1883777, 2691110, 3767554, 9418885, 18837770]

約数ペア:

[(1, 18837770), (2, 9418885), (5, 3767554), (7, 2691110), (10, 1883777), (14, 1345555), (31, 607670), (35, 538222), (62, 303835), (70, 269111), (155, 121534), (217, 86810), (310, 60767), (434, 43405), (1085, 17362), (2170, 8681)]