18808211324

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:532

約数の個数: 144

約数和(自身を含む): 41047894272

約数和(自身を除く): 22239682948

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 67, 68, 113, 119, 134, 226, 238, 268, 289, 307, 452, 469, 476, 578, 614, 791, 938, 1139, 1156, 1228, 1582, 1876, 1921, 2023, 2149, 2278, 3164, 3842, 4046, 4298, 4556, 5219, 7571, 7684, 7973, 8092, 8596, 10438, 13447, 15142, 15946, 19363, 20569, 20876, 26894, 30284, 31892, 32657, 34691, 36533, 38726, 41138, 52997, 53788, 65314, 69382, 73066, 77452, 82276, 88723, 105994, 128707, 130628, 135541, 138764, 143983, 146132, 177446, 211988, 228599, 242837, 257414, 271082, 287966, 349673, 354892, 457198, 485674, 514828, 542164, 575932, 589747, 621061, 699346, 900949, 914396, 971348, 1179494, 1242122, 1398692, 1801898, 2188019, 2324297, 2358988, 2447711, 2484244, 3603796, 4128229, 4376038, 4648594, 4895422, 5944441, 8256458, 8752076, 9297188, 9790844, 10025699, 11888882, 15316133, 16270079, 16512916, 20051398, 23777764, 30632266, 32540158, 39513049, 40102796, 41611087, 61264532, 65080316, 70179893, 79026098, 83222174, 140359786, 158052196, 166444348, 276591343, 280719572, 553182686, 671721833, 1106365372, 1343443666, 2686887332, 4702052831, 9404105662, 18808211324]

約数ペア:

[(1, 18808211324), (2, 9404105662), (4, 4702052831), (7, 2686887332), (14, 1343443666), (17, 1106365372), (28, 671721833), (34, 553182686), (67, 280719572), (68, 276591343), (113, 166444348), (119, 158052196), (134, 140359786), (226, 83222174), (238, 79026098), (268, 70179893), (289, 65080316), (307, 61264532), (452, 41611087), (469, 40102796), (476, 39513049), (578, 32540158), (614, 30632266), (791, 23777764), (938, 20051398), (1139, 16512916), (1156, 16270079), (1228, 15316133), (1582, 11888882), (1876, 10025699), (1921, 9790844), (2023, 9297188), (2149, 8752076), (2278, 8256458), (3164, 5944441), (3842, 4895422), (4046, 4648594), (4298, 4376038), (4556, 4128229), (5219, 3603796), (7571, 2484244), (7684, 2447711), (7973, 2358988), (8092, 2324297), (8596, 2188019), (10438, 1801898), (13447, 1398692), (15142, 1242122), (15946, 1179494), (19363, 971348), (20569, 914396), (20876, 900949), (26894, 699346), (30284, 621061), (31892, 589747), (32657, 575932), (34691, 542164), (36533, 514828), (38726, 485674), (41138, 457198), (52997, 354892), (53788, 349673), (65314, 287966), (69382, 271082), (73066, 257414), (77452, 242837), (82276, 228599), (88723, 211988), (105994, 177446), (128707, 146132), (130628, 143983), (135541, 138764)]