19504404

素因数分解:

$2^2\times 3^2\times {\mathrm{443}}^1\times {\mathrm{1223}}^1$

素因数の和:1676

約数の個数: 36

約数和(自身を含む): 49454496

約数和(自身を除く): 29950092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443, 886, 1223, 1329, 1772, 2446, 2658, 3669, 3987, 4892, 5316, 7338, 7974, 11007, 14676, 15948, 22014, 44028, 541789, 1083578, 1625367, 2167156, 3250734, 4876101, 6501468, 9752202, 19504404]

約数ペア:

[(1, 19504404), (2, 9752202), (3, 6501468), (4, 4876101), (6, 3250734), (9, 2167156), (12, 1625367), (18, 1083578), (36, 541789), (443, 44028), (886, 22014), (1223, 15948), (1329, 14676), (1772, 11007), (2446, 7974), (2658, 7338), (3669, 5316), (3987, 4892)]