19893309

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{647}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 27381888

約数和(自身を除く): 7488579

約数列:

[1, 3, 37, 111, 277, 647, 831, 1941, 10249, 23939, 30747, 71817, 179219, 537657, 6631103, 19893309]

約数ペア:

[(1, 19893309), (3, 6631103), (37, 537657), (111, 179219), (277, 71817), (647, 30747), (831, 23939), (1941, 10249)]