18942012

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 55495440

約数和(自身を除く): 36553428

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 81, 102, 108, 114, 153, 162, 171, 181, 204, 228, 306, 323, 324, 342, 362, 459, 513, 543, 612, 646, 684, 724, 918, 969, 1026, 1086, 1292, 1377, 1539, 1629, 1836, 1938, 2052, 2172, 2754, 2907, 3077, 3078, 3258, 3439, 3876, 4887, 5508, 5814, 6154, 6156, 6516, 6878, 8721, 9231, 9774, 10317, 11628, 12308, 13756, 14661, 17442, 18462, 19548, 20634, 26163, 27693, 29322, 30951, 34884, 36924, 41268, 52326, 55386, 58463, 58644, 61902, 83079, 92853, 104652, 110772, 116926, 123804, 166158, 175389, 185706, 233852, 249237, 278559, 332316, 350778, 371412, 498474, 526167, 557118, 701556, 996948, 1052334, 1114236, 1578501, 2104668, 3157002, 4735503, 6314004, 9471006, 18942012]

約数ペア:

[(1, 18942012), (2, 9471006), (3, 6314004), (4, 4735503), (6, 3157002), (9, 2104668), (12, 1578501), (17, 1114236), (18, 1052334), (19, 996948), (27, 701556), (34, 557118), (36, 526167), (38, 498474), (51, 371412), (54, 350778), (57, 332316), (68, 278559), (76, 249237), (81, 233852), (102, 185706), (108, 175389), (114, 166158), (153, 123804), (162, 116926), (171, 110772), (181, 104652), (204, 92853), (228, 83079), (306, 61902), (323, 58644), (324, 58463), (342, 55386), (362, 52326), (459, 41268), (513, 36924), (543, 34884), (612, 30951), (646, 29322), (684, 27693), (724, 26163), (918, 20634), (969, 19548), (1026, 18462), (1086, 17442), (1292, 14661), (1377, 13756), (1539, 12308), (1629, 11628), (1836, 10317), (1938, 9774), (2052, 9231), (2172, 8721), (2754, 6878), (2907, 6516), (3077, 6156), (3078, 6154), (3258, 5814), (3439, 5508), (3876, 4887)]