19017609

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5479}}^1$

素因数の和:5584

約数の個数: 16

約数和(自身を含む): 27619200

約数和(自身を除く): 8601591

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 5479, 16437, 71227, 213681, 487631, 1462893, 6339203, 19017609]

約数ペア:

[(1, 19017609), (3, 6339203), (13, 1462893), (39, 487631), (89, 213681), (267, 71227), (1157, 16437), (3471, 5479)]