19054060

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8431}}^1$

素因数の和:8553

約数の個数: 24

約数和(自身を含む): 40372416

約数和(自身を除く): 21318356

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8431, 16862, 33724, 42155, 84310, 168620, 952703, 1905406, 3810812, 4763515, 9527030, 19054060]

約数ペア:

[(1, 19054060), (2, 9527030), (4, 4763515), (5, 3810812), (10, 1905406), (20, 952703), (113, 168620), (226, 84310), (452, 42155), (565, 33724), (1130, 16862), (2260, 8431)]