19956750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 56609280

約数和(自身を除く): 36652530

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 41, 50, 55, 59, 66, 75, 82, 110, 118, 123, 125, 150, 165, 177, 205, 246, 250, 275, 295, 330, 354, 375, 410, 451, 550, 590, 615, 649, 750, 825, 885, 902, 1025, 1230, 1298, 1353, 1375, 1475, 1650, 1770, 1947, 2050, 2255, 2419, 2706, 2750, 2950, 3075, 3245, 3894, 4125, 4425, 4510, 4838, 5125, 6150, 6490, 6765, 7257, 7375, 8250, 8850, 9735, 10250, 11275, 12095, 13530, 14514, 14750, 15375, 16225, 19470, 22125, 22550, 24190, 26609, 30750, 32450, 33825, 36285, 44250, 48675, 53218, 56375, 60475, 67650, 72570, 79827, 81125, 97350, 112750, 120950, 133045, 159654, 162250, 169125, 181425, 243375, 266090, 302375, 338250, 362850, 399135, 486750, 604750, 665225, 798270, 907125, 1330450, 1814250, 1995675, 3326125, 3991350, 6652250, 9978375, 19956750]

約数ペア:

[(1, 19956750), (2, 9978375), (3, 6652250), (5, 3991350), (6, 3326125), (10, 1995675), (11, 1814250), (15, 1330450), (22, 907125), (25, 798270), (30, 665225), (33, 604750), (41, 486750), (50, 399135), (55, 362850), (59, 338250), (66, 302375), (75, 266090), (82, 243375), (110, 181425), (118, 169125), (123, 162250), (125, 159654), (150, 133045), (165, 120950), (177, 112750), (205, 97350), (246, 81125), (250, 79827), (275, 72570), (295, 67650), (330, 60475), (354, 56375), (375, 53218), (410, 48675), (451, 44250), (550, 36285), (590, 33825), (615, 32450), (649, 30750), (750, 26609), (825, 24190), (885, 22550), (902, 22125), (1025, 19470), (1230, 16225), (1298, 15375), (1353, 14750), (1375, 14514), (1475, 13530), (1650, 12095), (1770, 11275), (1947, 10250), (2050, 9735), (2255, 8850), (2419, 8250), (2706, 7375), (2750, 7257), (2950, 6765), (3075, 6490), (3245, 6150), (3894, 5125), (4125, 4838), (4425, 4510)]