19841355

素因数分解:

$3^4\times 5^1\times {\mathrm{48991}}^1$

素因数の和:49008

約数の個数: 20

約数和(自身を含む): 35568192

約数和(自身を除く): 15726837

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 48991, 146973, 244955, 440919, 734865, 1322757, 2204595, 3968271, 6613785, 19841355]

約数ペア:

[(1, 19841355), (3, 6613785), (5, 3968271), (9, 2204595), (15, 1322757), (27, 734865), (45, 440919), (81, 244955), (135, 146973), (405, 48991)]