18564176

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40009}}^1$

素因数の和:40046

約数の個数: 20

約数和(自身を含む): 37209300

約数和(自身を除く): 18645124

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40009, 80018, 160036, 320072, 640144, 1160261, 2320522, 4641044, 9282088, 18564176]

約数ペア:

[(1, 18564176), (2, 9282088), (4, 4641044), (8, 2320522), (16, 1160261), (29, 640144), (58, 320072), (116, 160036), (232, 80018), (464, 40009)]