18491531

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 20106240

約数和(自身を除く): 1614709

約数列:

[1, 29, 31, 67, 307, 899, 1943, 2077, 8903, 9517, 20569, 60233, 275993, 596501, 637639, 18491531]

約数ペア:

[(1, 18491531), (29, 637639), (31, 596501), (67, 275993), (307, 60233), (899, 20569), (1943, 9517), (2077, 8903)]