19765350

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{11}}^4$

素因数の和:65

約数の個数: 120

約数和(自身を含む): 59910600

約数和(自身を除く): 40145250

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 27, 30, 33, 45, 50, 54, 55, 66, 75, 90, 99, 110, 121, 135, 150, 165, 198, 225, 242, 270, 275, 297, 330, 363, 450, 495, 550, 594, 605, 675, 726, 825, 990, 1089, 1210, 1331, 1350, 1485, 1650, 1815, 2178, 2475, 2662, 2970, 3025, 3267, 3630, 3993, 4950, 5445, 6050, 6534, 6655, 7425, 7986, 9075, 10890, 11979, 13310, 14641, 14850, 16335, 18150, 19965, 23958, 27225, 29282, 32670, 33275, 35937, 39930, 43923, 54450, 59895, 66550, 71874, 73205, 81675, 87846, 99825, 119790, 131769, 146410, 163350, 179685, 199650, 219615, 263538, 299475, 359370, 366025, 395307, 439230, 598950, 658845, 732050, 790614, 898425, 1098075, 1317690, 1796850, 1976535, 2196150, 3294225, 3953070, 6588450, 9882675, 19765350]

約数ペア:

[(1, 19765350), (2, 9882675), (3, 6588450), (5, 3953070), (6, 3294225), (9, 2196150), (10, 1976535), (11, 1796850), (15, 1317690), (18, 1098075), (22, 898425), (25, 790614), (27, 732050), (30, 658845), (33, 598950), (45, 439230), (50, 395307), (54, 366025), (55, 359370), (66, 299475), (75, 263538), (90, 219615), (99, 199650), (110, 179685), (121, 163350), (135, 146410), (150, 131769), (165, 119790), (198, 99825), (225, 87846), (242, 81675), (270, 73205), (275, 71874), (297, 66550), (330, 59895), (363, 54450), (450, 43923), (495, 39930), (550, 35937), (594, 33275), (605, 32670), (675, 29282), (726, 27225), (825, 23958), (990, 19965), (1089, 18150), (1210, 16335), (1331, 14850), (1350, 14641), (1485, 13310), (1650, 11979), (1815, 10890), (2178, 9075), (2475, 7986), (2662, 7425), (2970, 6655), (3025, 6534), (3267, 6050), (3630, 5445), (3993, 4950)]