18817668

素因数分解:

$2^2\times 3^2\times {\mathrm{719}}^1\times {\mathrm{727}}^1$

素因数の和:1456

約数の個数: 36

約数和(自身を含む): 47698560

約数和(自身を除く): 28880892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 719, 727, 1438, 1454, 2157, 2181, 2876, 2908, 4314, 4362, 6471, 6543, 8628, 8724, 12942, 13086, 25884, 26172, 522713, 1045426, 1568139, 2090852, 3136278, 4704417, 6272556, 9408834, 18817668]

約数ペア:

[(1, 18817668), (2, 9408834), (3, 6272556), (4, 4704417), (6, 3136278), (9, 2090852), (12, 1568139), (18, 1045426), (36, 522713), (719, 26172), (727, 25884), (1438, 13086), (1454, 12942), (2157, 8724), (2181, 8628), (2876, 6543), (2908, 6471), (4314, 4362)]