19828710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20029}}^1$

素因数の和:20053

約数の個数: 48

約数和(自身を含む): 56244240

約数和(自身を除く): 36415530

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20029, 40058, 60087, 100145, 120174, 180261, 200290, 220319, 300435, 360522, 440638, 600870, 660957, 901305, 1101595, 1321914, 1802610, 1982871, 2203190, 3304785, 3965742, 6609570, 9914355, 19828710]

約数ペア:

[(1, 19828710), (2, 9914355), (3, 6609570), (5, 3965742), (6, 3304785), (9, 2203190), (10, 1982871), (11, 1802610), (15, 1321914), (18, 1101595), (22, 901305), (30, 660957), (33, 600870), (45, 440638), (55, 360522), (66, 300435), (90, 220319), (99, 200290), (110, 180261), (165, 120174), (198, 100145), (330, 60087), (495, 40058), (990, 20029)]