19621217

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 25362720

約数和(自身を除く): 5741503

約数列:

[1, 7, 11, 49, 59, 77, 413, 539, 617, 649, 2891, 4319, 4543, 6787, 30233, 31801, 36403, 47509, 254821, 332563, 400433, 1783747, 2803031, 19621217]

約数ペア:

[(1, 19621217), (7, 2803031), (11, 1783747), (49, 400433), (59, 332563), (77, 254821), (413, 47509), (539, 36403), (617, 31801), (649, 30233), (2891, 6787), (4319, 4543)]