81130418

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{3037}}^1$

素因数の和:3114

約数の個数: 24

約数和(自身を含む): 131952492

約数和(自身を除く): 50822074

約数列:

[1, 2, 19, 37, 38, 74, 361, 703, 722, 1406, 3037, 6074, 13357, 26714, 57703, 112369, 115406, 224738, 1096357, 2135011, 2192714, 4270022, 40565209, 81130418]

約数ペア:

[(1, 81130418), (2, 40565209), (19, 4270022), (37, 2192714), (38, 2135011), (74, 1096357), (361, 224738), (703, 115406), (722, 112369), (1406, 57703), (3037, 26714), (6074, 13357)]