20161914476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{180617}}^1$

素因数の和:180734

約数の個数: 48

約数和(自身を含む): 40053847680

約数和(自身を除く): 19891933204

約数列:

[1, 2, 4, 11, 22, 43, 44, 59, 86, 118, 172, 236, 473, 649, 946, 1298, 1892, 2537, 2596, 5074, 10148, 27907, 55814, 111628, 180617, 361234, 722468, 1986787, 3973574, 7766531, 7947148, 10656403, 15533062, 21312806, 31066124, 42625612, 85431841, 117220433, 170863682, 234440866, 341727364, 458225329, 468881732, 916450658, 1832901316, 5040478619, 10080957238, 20161914476]

約数ペア:

[(1, 20161914476), (2, 10080957238), (4, 5040478619), (11, 1832901316), (22, 916450658), (43, 468881732), (44, 458225329), (59, 341727364), (86, 234440866), (118, 170863682), (172, 117220433), (236, 85431841), (473, 42625612), (649, 31066124), (946, 21312806), (1298, 15533062), (1892, 10656403), (2537, 7947148), (2596, 7766531), (5074, 3973574), (10148, 1986787), (27907, 722468), (55814, 361234), (111628, 180617)]