19829700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2003}}^1$

素因数の和:2034

約数の個数: 108

約数和(自身を含む): 67839408

約数和(自身を除く): 48009708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2003, 2475, 3300, 4006, 4950, 6009, 8012, 9900, 10015, 12018, 18027, 20030, 22033, 24036, 30045, 36054, 40060, 44066, 50075, 60090, 66099, 72108, 88132, 90135, 100150, 110165, 120180, 132198, 150225, 180270, 198297, 200300, 220330, 264396, 300450, 330495, 360540, 396594, 440660, 450675, 550825, 600900, 660990, 793188, 901350, 991485, 1101650, 1321980, 1652475, 1802700, 1982970, 2203300, 3304950, 3965940, 4957425, 6609900, 9914850, 19829700]

約数ペア:

[(1, 19829700), (2, 9914850), (3, 6609900), (4, 4957425), (5, 3965940), (6, 3304950), (9, 2203300), (10, 1982970), (11, 1802700), (12, 1652475), (15, 1321980), (18, 1101650), (20, 991485), (22, 901350), (25, 793188), (30, 660990), (33, 600900), (36, 550825), (44, 450675), (45, 440660), (50, 396594), (55, 360540), (60, 330495), (66, 300450), (75, 264396), (90, 220330), (99, 200300), (100, 198297), (110, 180270), (132, 150225), (150, 132198), (165, 120180), (180, 110165), (198, 100150), (220, 90135), (225, 88132), (275, 72108), (300, 66099), (330, 60090), (396, 50075), (450, 44066), (495, 40060), (550, 36054), (660, 30045), (825, 24036), (900, 22033), (990, 20030), (1100, 18027), (1650, 12018), (1980, 10015), (2003, 9900), (2475, 8012), (3300, 6009), (4006, 4950)]