18240136376

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{20323}}^1$

素因数の和:20425

約数の個数: 128

約数和(自身を含む): 44953436160

約数和(自身を除く): 26713299784

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 47, 56, 62, 77, 88, 94, 124, 154, 188, 217, 248, 308, 329, 341, 376, 434, 517, 616, 658, 682, 868, 1034, 1316, 1364, 1457, 1736, 2068, 2387, 2632, 2728, 2914, 3619, 4136, 4774, 5828, 7238, 9548, 10199, 11656, 14476, 16027, 19096, 20323, 20398, 28952, 32054, 40646, 40796, 64108, 81292, 81592, 112189, 128216, 142261, 162584, 223553, 224378, 284522, 447106, 448756, 569044, 630013, 894212, 897512, 955181, 1138088, 1260026, 1564871, 1788424, 1910362, 2520052, 3129742, 3820724, 4410091, 5040104, 6259484, 6686267, 6930143, 7641448, 8820182, 10506991, 12518968, 13372534, 13860286, 17640364, 21013982, 26745068, 27720572, 29610611, 35280728, 42027964, 48511001, 53490136, 55441144, 59221222, 73548937, 84055928, 97022002, 118442444, 147097874, 194044004, 207274277, 236884888, 294195748, 325716721, 388088008, 414548554, 588391496, 651433442, 829097108, 1302866884, 1658194216, 2280017047, 2605733768, 4560034094, 9120068188, 18240136376]

約数ペア:

[(1, 18240136376), (2, 9120068188), (4, 4560034094), (7, 2605733768), (8, 2280017047), (11, 1658194216), (14, 1302866884), (22, 829097108), (28, 651433442), (31, 588391496), (44, 414548554), (47, 388088008), (56, 325716721), (62, 294195748), (77, 236884888), (88, 207274277), (94, 194044004), (124, 147097874), (154, 118442444), (188, 97022002), (217, 84055928), (248, 73548937), (308, 59221222), (329, 55441144), (341, 53490136), (376, 48511001), (434, 42027964), (517, 35280728), (616, 29610611), (658, 27720572), (682, 26745068), (868, 21013982), (1034, 17640364), (1316, 13860286), (1364, 13372534), (1457, 12518968), (1736, 10506991), (2068, 8820182), (2387, 7641448), (2632, 6930143), (2728, 6686267), (2914, 6259484), (3619, 5040104), (4136, 4410091), (4774, 3820724), (5828, 3129742), (7238, 2520052), (9548, 1910362), (10199, 1788424), (11656, 1564871), (14476, 1260026), (16027, 1138088), (19096, 955181), (20323, 897512), (20398, 894212), (28952, 630013), (32054, 569044), (40646, 448756), (40796, 447106), (64108, 284522), (81292, 224378), (81592, 223553), (112189, 162584), (128216, 142261)]