18131850

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1$

素因数の和:83

約数の個数: 180

約数和(自身を含む): 56872662

約数和(自身を除く): 38740812

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 27, 30, 33, 37, 45, 50, 54, 55, 66, 74, 75, 81, 90, 99, 110, 111, 121, 135, 150, 162, 165, 185, 198, 222, 225, 242, 270, 275, 297, 330, 333, 363, 370, 405, 407, 450, 495, 550, 555, 594, 605, 666, 675, 726, 810, 814, 825, 891, 925, 990, 999, 1089, 1110, 1210, 1221, 1350, 1485, 1650, 1665, 1782, 1815, 1850, 1998, 2025, 2035, 2178, 2442, 2475, 2775, 2970, 2997, 3025, 3267, 3330, 3630, 3663, 4050, 4070, 4455, 4477, 4950, 4995, 5445, 5550, 5994, 6050, 6105, 6534, 7326, 7425, 8325, 8910, 8954, 9075, 9801, 9990, 10175, 10890, 10989, 12210, 13431, 14850, 14985, 16335, 16650, 18150, 18315, 19602, 20350, 21978, 22275, 22385, 24975, 26862, 27225, 29970, 30525, 32670, 32967, 36630, 40293, 44550, 44770, 49005, 49950, 54450, 54945, 61050, 65934, 67155, 74925, 80586, 81675, 91575, 98010, 109890, 111925, 120879, 134310, 149850, 163350, 164835, 183150, 201465, 223850, 241758, 245025, 274725, 329670, 335775, 362637, 402930, 490050, 549450, 604395, 671550, 725274, 824175, 1007325, 1208790, 1648350, 1813185, 2014650, 3021975, 3626370, 6043950, 9065925, 18131850]

約数ペア:

[(1, 18131850), (2, 9065925), (3, 6043950), (5, 3626370), (6, 3021975), (9, 2014650), (10, 1813185), (11, 1648350), (15, 1208790), (18, 1007325), (22, 824175), (25, 725274), (27, 671550), (30, 604395), (33, 549450), (37, 490050), (45, 402930), (50, 362637), (54, 335775), (55, 329670), (66, 274725), (74, 245025), (75, 241758), (81, 223850), (90, 201465), (99, 183150), (110, 164835), (111, 163350), (121, 149850), (135, 134310), (150, 120879), (162, 111925), (165, 109890), (185, 98010), (198, 91575), (222, 81675), (225, 80586), (242, 74925), (270, 67155), (275, 65934), (297, 61050), (330, 54945), (333, 54450), (363, 49950), (370, 49005), (405, 44770), (407, 44550), (450, 40293), (495, 36630), (550, 32967), (555, 32670), (594, 30525), (605, 29970), (666, 27225), (675, 26862), (726, 24975), (810, 22385), (814, 22275), (825, 21978), (891, 20350), (925, 19602), (990, 18315), (999, 18150), (1089, 16650), (1110, 16335), (1210, 14985), (1221, 14850), (1350, 13431), (1485, 12210), (1650, 10989), (1665, 10890), (1782, 10175), (1815, 9990), (1850, 9801), (1998, 9075), (2025, 8954), (2035, 8910), (2178, 8325), (2442, 7425), (2475, 7326), (2775, 6534), (2970, 6105), (2997, 6050), (3025, 5994), (3267, 5550), (3330, 5445), (3630, 4995), (3663, 4950), (4050, 4477), (4070, 4455)]