180819998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 294105600

約数和(自身を除く): 113285602

約数列:

[1, 2, 19, 38, 47, 94, 137, 274, 739, 893, 1478, 1786, 2603, 5206, 6439, 12878, 14041, 28082, 34733, 69466, 101243, 122341, 202486, 244682, 659927, 1319854, 1923617, 3847234, 4758421, 9516842, 90409999, 180819998]

約数ペア:

[(1, 180819998), (2, 90409999), (19, 9516842), (38, 4758421), (47, 3847234), (94, 1923617), (137, 1319854), (274, 659927), (739, 244682), (893, 202486), (1478, 122341), (1786, 101243), (2603, 69466), (5206, 34733), (6439, 28082), (12878, 14041)]