18866925

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{11}}^3$

素因数の和:62

約数の個数: 120

約数和(自身を含む): 43931712

約数和(自身を除く): 25064787

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 45, 55, 63, 75, 77, 81, 99, 105, 121, 135, 165, 175, 189, 225, 231, 275, 297, 315, 363, 385, 405, 495, 525, 567, 605, 675, 693, 825, 847, 891, 945, 1089, 1155, 1331, 1485, 1575, 1815, 1925, 2025, 2079, 2475, 2541, 2835, 3025, 3267, 3465, 3993, 4235, 4455, 4725, 5445, 5775, 6237, 6655, 7425, 7623, 9075, 9317, 9801, 10395, 11979, 12705, 14175, 16335, 17325, 19965, 21175, 22275, 22869, 27225, 27951, 31185, 33275, 35937, 38115, 46585, 49005, 51975, 59895, 63525, 68607, 81675, 83853, 99825, 107811, 114345, 139755, 155925, 179685, 190575, 232925, 245025, 251559, 299475, 343035, 419265, 539055, 571725, 698775, 754677, 898425, 1257795, 1715175, 2096325, 2695275, 3773385, 6288975, 18866925]

約数ペア:

[(1, 18866925), (3, 6288975), (5, 3773385), (7, 2695275), (9, 2096325), (11, 1715175), (15, 1257795), (21, 898425), (25, 754677), (27, 698775), (33, 571725), (35, 539055), (45, 419265), (55, 343035), (63, 299475), (75, 251559), (77, 245025), (81, 232925), (99, 190575), (105, 179685), (121, 155925), (135, 139755), (165, 114345), (175, 107811), (189, 99825), (225, 83853), (231, 81675), (275, 68607), (297, 63525), (315, 59895), (363, 51975), (385, 49005), (405, 46585), (495, 38115), (525, 35937), (567, 33275), (605, 31185), (675, 27951), (693, 27225), (825, 22869), (847, 22275), (891, 21175), (945, 19965), (1089, 17325), (1155, 16335), (1331, 14175), (1485, 12705), (1575, 11979), (1815, 10395), (1925, 9801), (2025, 9317), (2079, 9075), (2475, 7623), (2541, 7425), (2835, 6655), (3025, 6237), (3267, 5775), (3465, 5445), (3993, 4725), (4235, 4455)]