19543238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2971}}^1$

素因数の和:3020

約数の個数: 32

約数和(自身を含む): 35949312

約数和(自身を除く): 16406074

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 143, 253, 286, 299, 506, 598, 2971, 3289, 5942, 6578, 32681, 38623, 65362, 68333, 77246, 136666, 424853, 751663, 849706, 888329, 1503326, 1776658, 9771619, 19543238]

約数ペア:

[(1, 19543238), (2, 9771619), (11, 1776658), (13, 1503326), (22, 888329), (23, 849706), (26, 751663), (46, 424853), (143, 136666), (253, 77246), (286, 68333), (299, 65362), (506, 38623), (598, 32681), (2971, 6578), (3289, 5942)]