18966750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^3\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 128

約数和(自身を含む): 54812160

約数和(自身を除く): 35845410

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 25, 30, 33, 38, 50, 55, 57, 66, 75, 95, 110, 114, 121, 125, 150, 165, 190, 209, 242, 250, 275, 285, 330, 363, 375, 418, 475, 550, 570, 605, 627, 726, 750, 825, 950, 1045, 1210, 1254, 1331, 1375, 1425, 1650, 1815, 2090, 2299, 2375, 2662, 2750, 2850, 3025, 3135, 3630, 3993, 4125, 4598, 4750, 5225, 6050, 6270, 6655, 6897, 7125, 7986, 8250, 9075, 10450, 11495, 13310, 13794, 14250, 15125, 15675, 18150, 19965, 22990, 25289, 26125, 30250, 31350, 33275, 34485, 39930, 45375, 50578, 52250, 57475, 66550, 68970, 75867, 78375, 90750, 99825, 114950, 126445, 151734, 156750, 166375, 172425, 199650, 252890, 287375, 332750, 344850, 379335, 499125, 574750, 632225, 758670, 862125, 998250, 1264450, 1724250, 1896675, 3161125, 3793350, 6322250, 9483375, 18966750]

約数ペア:

[(1, 18966750), (2, 9483375), (3, 6322250), (5, 3793350), (6, 3161125), (10, 1896675), (11, 1724250), (15, 1264450), (19, 998250), (22, 862125), (25, 758670), (30, 632225), (33, 574750), (38, 499125), (50, 379335), (55, 344850), (57, 332750), (66, 287375), (75, 252890), (95, 199650), (110, 172425), (114, 166375), (121, 156750), (125, 151734), (150, 126445), (165, 114950), (190, 99825), (209, 90750), (242, 78375), (250, 75867), (275, 68970), (285, 66550), (330, 57475), (363, 52250), (375, 50578), (418, 45375), (475, 39930), (550, 34485), (570, 33275), (605, 31350), (627, 30250), (726, 26125), (750, 25289), (825, 22990), (950, 19965), (1045, 18150), (1210, 15675), (1254, 15125), (1331, 14250), (1375, 13794), (1425, 13310), (1650, 11495), (1815, 10450), (2090, 9075), (2299, 8250), (2375, 7986), (2662, 7125), (2750, 6897), (2850, 6655), (3025, 6270), (3135, 6050), (3630, 5225), (3993, 4750), (4125, 4598)]