18922900528

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{41893}}^1$

素因数の和:42054

約数の個数: 80

約数和(自身を含む): 43428996160

約数和(自身を除く): 24506095632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 109, 112, 148, 218, 259, 296, 436, 518, 592, 763, 872, 1036, 1526, 1744, 2072, 3052, 4033, 4144, 6104, 8066, 12208, 16132, 28231, 32264, 41893, 56462, 64528, 83786, 112924, 167572, 225848, 293251, 335144, 451696, 586502, 670288, 1173004, 1550041, 2346008, 3100082, 4566337, 4692016, 6200164, 9132674, 10850287, 12400328, 18265348, 21700574, 24800656, 31964359, 36530696, 43401148, 63928718, 73061392, 86802296, 127857436, 168954469, 173604592, 255714872, 337908938, 511429744, 675817876, 1182681283, 1351635752, 2365362566, 2703271504, 4730725132, 9461450264, 18922900528]

約数ペア:

[(1, 18922900528), (2, 9461450264), (4, 4730725132), (7, 2703271504), (8, 2365362566), (14, 1351635752), (16, 1182681283), (28, 675817876), (37, 511429744), (56, 337908938), (74, 255714872), (109, 173604592), (112, 168954469), (148, 127857436), (218, 86802296), (259, 73061392), (296, 63928718), (436, 43401148), (518, 36530696), (592, 31964359), (763, 24800656), (872, 21700574), (1036, 18265348), (1526, 12400328), (1744, 10850287), (2072, 9132674), (3052, 6200164), (4033, 4692016), (4144, 4566337), (6104, 3100082), (8066, 2346008), (12208, 1550041), (16132, 1173004), (28231, 670288), (32264, 586502), (41893, 451696), (56462, 335144), (64528, 293251), (83786, 225848), (112924, 167572)]