18821907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9463}}^1$

素因数の和:9499

約数の個数: 24

約数和(自身を含む): 31004064

約数和(自身を除く): 12182157

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9463, 28389, 85167, 123019, 160871, 369057, 482613, 1107171, 1447839, 2091323, 6273969, 18821907]

約数ペア:

[(1, 18821907), (3, 6273969), (9, 2091323), (13, 1447839), (17, 1107171), (39, 482613), (51, 369057), (117, 160871), (153, 123019), (221, 85167), (663, 28389), (1989, 9463)]