19621777

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{593}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 23379840

約数和(自身を除く): 3758063

約数列:

[1, 7, 29, 163, 203, 593, 1141, 4151, 4727, 17197, 33089, 96659, 120379, 676613, 2803111, 19621777]

約数ペア:

[(1, 19621777), (7, 2803111), (29, 676613), (163, 120379), (203, 96659), (593, 33089), (1141, 17197), (4151, 4727)]