1863947386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 3421440000

約数和(自身を除く): 1557492614

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 149, 262, 266, 298, 359, 718, 917, 1043, 1834, 2086, 2489, 2513, 2831, 4978, 5026, 5662, 6821, 13642, 17423, 19519, 19817, 34846, 39038, 39634, 47029, 47747, 53491, 94058, 95494, 106982, 136633, 273266, 329203, 370861, 374437, 658406, 741722, 748874, 893551, 1016329, 1787102, 2032658, 2596027, 5192054, 6254857, 7007321, 7114303, 12509714, 14014642, 14228606, 49051247, 98102494, 133139099, 266278198, 931973693, 1863947386]

約数ペア:

[(1, 1863947386), (2, 931973693), (7, 266278198), (14, 133139099), (19, 98102494), (38, 49051247), (131, 14228606), (133, 14014642), (149, 12509714), (262, 7114303), (266, 7007321), (298, 6254857), (359, 5192054), (718, 2596027), (917, 2032658), (1043, 1787102), (1834, 1016329), (2086, 893551), (2489, 748874), (2513, 741722), (2831, 658406), (4978, 374437), (5026, 370861), (5662, 329203), (6821, 273266), (13642, 136633), (17423, 106982), (19519, 95494), (19817, 94058), (34846, 53491), (39038, 47747), (39634, 47029)]