19511199

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3491}}^1$

素因数の和:3529

約数の個数: 24

約数和(自身を含む): 30506112

約数和(自身を除く): 10994913

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3491, 5589, 10473, 31419, 80293, 94257, 240879, 282771, 722637, 848313, 2167911, 6503733, 19511199]

約数ペア:

[(1, 19511199), (3, 6503733), (9, 2167911), (23, 848313), (27, 722637), (69, 282771), (81, 240879), (207, 94257), (243, 80293), (621, 31419), (1863, 10473), (3491, 5589)]