19922355

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 17817165

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 863, 1215, 1539, 2565, 2589, 4315, 4617, 7695, 7767, 12945, 16397, 23085, 23301, 38835, 49191, 69903, 81985, 116505, 147573, 209709, 245955, 349515, 442719, 737865, 1048545, 1328157, 2213595, 3984471, 6640785, 19922355]

約数ペア:

[(1, 19922355), (3, 6640785), (5, 3984471), (9, 2213595), (15, 1328157), (19, 1048545), (27, 737865), (45, 442719), (57, 349515), (81, 245955), (95, 209709), (135, 147573), (171, 116505), (243, 81985), (285, 69903), (405, 49191), (513, 38835), (855, 23301), (863, 23085), (1215, 16397), (1539, 12945), (2565, 7767), (2589, 7695), (4315, 4617)]