18680460128

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8273

約数の個数: 144

約数和(自身を含む): 43930091520

約数和(自身を除く): 25249631392

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 76, 88, 121, 124, 152, 176, 209, 242, 248, 304, 341, 352, 418, 484, 496, 589, 608, 682, 836, 968, 992, 1178, 1364, 1672, 1936, 2299, 2356, 2728, 3344, 3751, 3872, 4598, 4712, 5456, 6479, 6688, 7502, 8191, 9196, 9424, 10912, 12958, 15004, 16382, 18392, 18848, 25916, 30008, 32764, 36784, 51832, 60016, 65528, 71269, 73568, 90101, 103664, 120032, 131056, 142538, 155629, 180202, 207328, 253921, 262112, 285076, 311258, 360404, 507842, 570152, 622516, 720808, 991111, 1015684, 1140304, 1245032, 1441616, 1711919, 1982222, 2031368, 2280608, 2490064, 2793131, 2883232, 3423838, 3964444, 4062736, 4824499, 4980128, 5586262, 6847676, 7928888, 8125472, 9648998, 11172524, 13695352, 15857776, 18831109, 19297996, 22345048, 27390704, 30724441, 31715552, 37662218, 38595992, 44690096, 53069489, 54781408, 61448882, 75324436, 77191984, 89380192, 106138978, 122897764, 150648872, 154383968, 212277956, 245795528, 301297744, 424555912, 491591056, 583764379, 602595488, 849111824, 983182112, 1167528758, 1698223648, 2335057516, 4670115032, 9340230064, 18680460128]

約数ペア:

[(1, 18680460128), (2, 9340230064), (4, 4670115032), (8, 2335057516), (11, 1698223648), (16, 1167528758), (19, 983182112), (22, 849111824), (31, 602595488), (32, 583764379), (38, 491591056), (44, 424555912), (62, 301297744), (76, 245795528), (88, 212277956), (121, 154383968), (124, 150648872), (152, 122897764), (176, 106138978), (209, 89380192), (242, 77191984), (248, 75324436), (304, 61448882), (341, 54781408), (352, 53069489), (418, 44690096), (484, 38595992), (496, 37662218), (589, 31715552), (608, 30724441), (682, 27390704), (836, 22345048), (968, 19297996), (992, 18831109), (1178, 15857776), (1364, 13695352), (1672, 11172524), (1936, 9648998), (2299, 8125472), (2356, 7928888), (2728, 6847676), (3344, 5586262), (3751, 4980128), (3872, 4824499), (4598, 4062736), (4712, 3964444), (5456, 3423838), (6479, 2883232), (6688, 2793131), (7502, 2490064), (8191, 2280608), (9196, 2031368), (9424, 1982222), (10912, 1711919), (12958, 1441616), (15004, 1245032), (16382, 1140304), (18392, 1015684), (18848, 991111), (25916, 720808), (30008, 622516), (32764, 570152), (36784, 507842), (51832, 360404), (60016, 311258), (65528, 285076), (71269, 262112), (73568, 253921), (90101, 207328), (103664, 180202), (120032, 155629), (131056, 142538)]