18447740

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5153}}^1$

素因数の和:5341

約数の個数: 24

約数和(自身を含む): 38964240

約数和(自身を除く): 20516500

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5153, 10306, 20612, 25765, 51530, 103060, 922387, 1844774, 3689548, 4611935, 9223870, 18447740]

約数ペア:

[(1, 18447740), (2, 9223870), (4, 4611935), (5, 3689548), (10, 1844774), (20, 922387), (179, 103060), (358, 51530), (716, 25765), (895, 20612), (1790, 10306), (3580, 5153)]