20181885152

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^2\times {\mathrm{257}}^1$

素因数の和:553

約数の個数: 144

約数和(自身を含む): 47221510896

約数和(自身を除く): 27039625744

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 131, 143, 176, 208, 257, 262, 286, 352, 416, 514, 524, 572, 1028, 1048, 1144, 1441, 1703, 2056, 2096, 2288, 2827, 2882, 3341, 3406, 4112, 4192, 4576, 5654, 5764, 6682, 6812, 8224, 11308, 11528, 13364, 13624, 17161, 18733, 22616, 23056, 26728, 27248, 33667, 34322, 36751, 37466, 45232, 46112, 53456, 54496, 67334, 68644, 73502, 74932, 90464, 106912, 134668, 137288, 147004, 149864, 188771, 223093, 269336, 274576, 294008, 299728, 370337, 377542, 437671, 446186, 538672, 549152, 588016, 599456, 740674, 755084, 875342, 892372, 1077344, 1176032, 1481348, 1510168, 1750684, 1784744, 2454023, 2962696, 3020336, 3501368, 3569488, 4410377, 4814381, 4908046, 5925392, 6040672, 7002736, 7138976, 8820754, 9628762, 9816092, 11850784, 14005472, 17641508, 19257524, 19632184, 35283016, 38515048, 39264368, 48514147, 57334901, 70566032, 77030096, 78528736, 97028294, 114669802, 141132064, 154060192, 194056588, 229339604, 388113176, 458679208, 630683911, 776226352, 917358416, 1261367822, 1552452704, 1834716832, 2522735644, 5045471288, 10090942576, 20181885152]

約数ペア:

[(1, 20181885152), (2, 10090942576), (4, 5045471288), (8, 2522735644), (11, 1834716832), (13, 1552452704), (16, 1261367822), (22, 917358416), (26, 776226352), (32, 630683911), (44, 458679208), (52, 388113176), (88, 229339604), (104, 194056588), (131, 154060192), (143, 141132064), (176, 114669802), (208, 97028294), (257, 78528736), (262, 77030096), (286, 70566032), (352, 57334901), (416, 48514147), (514, 39264368), (524, 38515048), (572, 35283016), (1028, 19632184), (1048, 19257524), (1144, 17641508), (1441, 14005472), (1703, 11850784), (2056, 9816092), (2096, 9628762), (2288, 8820754), (2827, 7138976), (2882, 7002736), (3341, 6040672), (3406, 5925392), (4112, 4908046), (4192, 4814381), (4576, 4410377), (5654, 3569488), (5764, 3501368), (6682, 3020336), (6812, 2962696), (8224, 2454023), (11308, 1784744), (11528, 1750684), (13364, 1510168), (13624, 1481348), (17161, 1176032), (18733, 1077344), (22616, 892372), (23056, 875342), (26728, 755084), (27248, 740674), (33667, 599456), (34322, 588016), (36751, 549152), (37466, 538672), (45232, 446186), (46112, 437671), (53456, 377542), (54496, 370337), (67334, 299728), (68644, 294008), (73502, 274576), (74932, 269336), (90464, 223093), (106912, 188771), (134668, 149864), (137288, 147004)]