19333509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 28957824

約数和(自身を除く): 9624315

約数列:

[1, 3, 13, 39, 41, 107, 113, 123, 321, 339, 533, 1391, 1469, 1599, 4173, 4387, 4407, 4633, 12091, 13161, 13899, 36273, 57031, 60229, 157183, 171093, 180687, 471549, 495731, 1487193, 6444503, 19333509]

約数ペア:

[(1, 19333509), (3, 6444503), (13, 1487193), (39, 495731), (41, 471549), (107, 180687), (113, 171093), (123, 157183), (321, 60229), (339, 57031), (533, 36273), (1391, 13899), (1469, 13161), (1599, 12091), (4173, 4633), (4387, 4407)]