18656792

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 45066240

約数和(自身を除く): 26409448

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 977, 1364, 1736, 1954, 2387, 2728, 3908, 4774, 6839, 7816, 9548, 10747, 13678, 19096, 21494, 27356, 30287, 42988, 54712, 60574, 75229, 85976, 121148, 150458, 212009, 242296, 300916, 333157, 424018, 601832, 666314, 848036, 1332628, 1696072, 2332099, 2665256, 4664198, 9328396, 18656792]

約数ペア:

[(1, 18656792), (2, 9328396), (4, 4664198), (7, 2665256), (8, 2332099), (11, 1696072), (14, 1332628), (22, 848036), (28, 666314), (31, 601832), (44, 424018), (56, 333157), (62, 300916), (77, 242296), (88, 212009), (124, 150458), (154, 121148), (217, 85976), (248, 75229), (308, 60574), (341, 54712), (434, 42988), (616, 30287), (682, 27356), (868, 21494), (977, 19096), (1364, 13678), (1736, 10747), (1954, 9548), (2387, 7816), (2728, 6839), (3908, 4774)]