19398405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3261

約数の個数: 32

約数和(自身を含む): 34513920

約数和(自身を除く): 15115515

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3209, 6045, 9627, 16045, 41717, 48135, 99479, 125151, 208585, 298437, 497395, 625755, 1293227, 1492185, 3879681, 6466135, 19398405]

約数ペア:

[(1, 19398405), (3, 6466135), (5, 3879681), (13, 1492185), (15, 1293227), (31, 625755), (39, 497395), (65, 298437), (93, 208585), (155, 125151), (195, 99479), (403, 48135), (465, 41717), (1209, 16045), (2015, 9627), (3209, 6045)]