18631281

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 25395200

約数和(自身を除く): 6763919

約数列:

[1, 3, 79, 127, 237, 381, 619, 1857, 10033, 30099, 48901, 78613, 146703, 235839, 6210427, 18631281]

約数ペア:

[(1, 18631281), (3, 6210427), (79, 235839), (127, 146703), (237, 78613), (381, 48901), (619, 30099), (1857, 10033)]