19168755

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 31781376

約数和(自身を除く): 12612621

約数列:

[1, 3, 5, 15, 43, 113, 129, 215, 263, 339, 565, 645, 789, 1315, 1695, 3945, 4859, 11309, 14577, 24295, 29719, 33927, 56545, 72885, 89157, 148595, 169635, 445785, 1277917, 3833751, 6389585, 19168755]

約数ペア:

[(1, 19168755), (3, 6389585), (5, 3833751), (15, 1277917), (43, 445785), (113, 169635), (129, 148595), (215, 89157), (263, 72885), (339, 56545), (565, 33927), (645, 29719), (789, 24295), (1315, 14577), (1695, 11309), (3945, 4859)]