18478724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{911}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 35392896

約数和(自身を除く): 16914172

約数列:

[1, 2, 4, 11, 22, 44, 461, 911, 922, 1822, 1844, 3644, 5071, 10021, 10142, 20042, 20284, 40084, 419971, 839942, 1679884, 4619681, 9239362, 18478724]

約数ペア:

[(1, 18478724), (2, 9239362), (4, 4619681), (11, 1679884), (22, 839942), (44, 419971), (461, 40084), (911, 20284), (922, 20042), (1822, 10142), (1844, 10021), (3644, 5071)]