19842395

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 24343200

約数和(自身を除く): 4500805

約数列:

[1, 5, 83, 137, 349, 415, 685, 1745, 11371, 28967, 47813, 56855, 144835, 239065, 3968479, 19842395]

約数ペア:

[(1, 19842395), (5, 3968479), (83, 239065), (137, 144835), (349, 56855), (415, 47813), (685, 28967), (1745, 11371)]