19182740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7001}}^1$

素因数の和:7147

約数の個数: 24

約数和(自身を含む): 40583592

約数和(自身を除く): 21400852

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7001, 14002, 28004, 35005, 70010, 140020, 959137, 1918274, 3836548, 4795685, 9591370, 19182740]

約数ペア:

[(1, 19182740), (2, 9591370), (4, 4795685), (5, 3836548), (10, 1918274), (20, 959137), (137, 140020), (274, 70010), (548, 35005), (685, 28004), (1370, 14002), (2740, 7001)]