19827585

素因数分解:

$3^5\times 5^1\times {\mathrm{16319}}^1$

素因数の和:16339

約数の個数: 24

約数和(自身を含む): 35642880

約数和(自身を除く): 15815295

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16319, 48957, 81595, 146871, 244785, 440613, 734355, 1321839, 2203065, 3965517, 6609195, 19827585]

約数ペア:

[(1, 19827585), (3, 6609195), (5, 3965517), (9, 2203065), (15, 1321839), (27, 734355), (45, 440613), (81, 244785), (135, 146871), (243, 81595), (405, 48957), (1215, 16319)]