18921000952

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:1013

約数の個数: 128

約数和(自身を含む): 43495833600

約数和(自身を除く): 24574832648

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 137, 238, 239, 274, 476, 478, 548, 607, 952, 956, 959, 1096, 1214, 1673, 1912, 1918, 2329, 2428, 3346, 3836, 4063, 4249, 4658, 4856, 6692, 7672, 8126, 8498, 9316, 10319, 13384, 16252, 16303, 16996, 18632, 20638, 28441, 32504, 32606, 32743, 33992, 41276, 56882, 65212, 65486, 72233, 82552, 83159, 113764, 130424, 130972, 144466, 145073, 166318, 227528, 229201, 261944, 288932, 290146, 332636, 458402, 556631, 577864, 580292, 582113, 665272, 916804, 1015511, 1113262, 1160584, 1164226, 1413703, 1833608, 2031022, 2226524, 2328452, 2466241, 2827406, 3896417, 4062044, 4453048, 4656904, 4932482, 5654812, 7792834, 8124088, 9864964, 9895921, 11309624, 15585668, 17263687, 19729928, 19791842, 19875001, 31171336, 34527374, 39583684, 39750002, 69054748, 79167368, 79500004, 138109496, 139125007, 159000008, 278250014, 337875017, 556500028, 675750034, 1113000056, 1351500068, 2365125119, 2703000136, 4730250238, 9460500476, 18921000952]

約数ペア:

[(1, 18921000952), (2, 9460500476), (4, 4730250238), (7, 2703000136), (8, 2365125119), (14, 1351500068), (17, 1113000056), (28, 675750034), (34, 556500028), (56, 337875017), (68, 278250014), (119, 159000008), (136, 139125007), (137, 138109496), (238, 79500004), (239, 79167368), (274, 69054748), (476, 39750002), (478, 39583684), (548, 34527374), (607, 31171336), (952, 19875001), (956, 19791842), (959, 19729928), (1096, 17263687), (1214, 15585668), (1673, 11309624), (1912, 9895921), (1918, 9864964), (2329, 8124088), (2428, 7792834), (3346, 5654812), (3836, 4932482), (4063, 4656904), (4249, 4453048), (4658, 4062044), (4856, 3896417), (6692, 2827406), (7672, 2466241), (8126, 2328452), (8498, 2226524), (9316, 2031022), (10319, 1833608), (13384, 1413703), (16252, 1164226), (16303, 1160584), (16996, 1113262), (18632, 1015511), (20638, 916804), (28441, 665272), (32504, 582113), (32606, 580292), (32743, 577864), (33992, 556631), (41276, 458402), (56882, 332636), (65212, 290146), (65486, 288932), (72233, 261944), (82552, 229201), (83159, 227528), (113764, 166318), (130424, 145073), (130972, 144466)]