19707804

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6151}}^1$

素因数の和:6250

約数の個数: 36

約数和(自身を含む): 50384880

約数和(自身を除く): 30677076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6151, 12302, 18453, 24604, 36906, 55359, 73812, 110718, 221436, 547439, 1094878, 1642317, 2189756, 3284634, 4926951, 6569268, 9853902, 19707804]

約数ペア:

[(1, 19707804), (2, 9853902), (3, 6569268), (4, 4926951), (6, 3284634), (9, 2189756), (12, 1642317), (18, 1094878), (36, 547439), (89, 221436), (178, 110718), (267, 73812), (356, 55359), (534, 36906), (801, 24604), (1068, 18453), (1602, 12302), (3204, 6151)]