2011619984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2851}}^1$

素因数の和:3100

約数の個数: 80

約数和(自身を含む): 4498402560

約数和(自身を除く): 2486782576

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 211, 304, 418, 422, 836, 844, 1672, 1688, 2321, 2851, 3344, 3376, 4009, 4642, 5702, 8018, 9284, 11404, 16036, 18568, 22808, 31361, 32072, 37136, 44099, 45616, 54169, 62722, 64144, 88198, 108338, 125444, 176396, 216676, 250888, 352792, 433352, 501776, 595859, 601561, 705584, 866704, 1191718, 1203122, 2383436, 2406244, 4766872, 4812488, 6617171, 9533744, 9624976, 11429659, 13234342, 22859318, 26468684, 45718636, 52937368, 91437272, 105874736, 125726249, 182874544, 251452498, 502904996, 1005809992, 2011619984]

約数ペア:

[(1, 2011619984), (2, 1005809992), (4, 502904996), (8, 251452498), (11, 182874544), (16, 125726249), (19, 105874736), (22, 91437272), (38, 52937368), (44, 45718636), (76, 26468684), (88, 22859318), (152, 13234342), (176, 11429659), (209, 9624976), (211, 9533744), (304, 6617171), (418, 4812488), (422, 4766872), (836, 2406244), (844, 2383436), (1672, 1203122), (1688, 1191718), (2321, 866704), (2851, 705584), (3344, 601561), (3376, 595859), (4009, 501776), (4642, 433352), (5702, 352792), (8018, 250888), (9284, 216676), (11404, 176396), (16036, 125444), (18568, 108338), (22808, 88198), (31361, 64144), (32072, 62722), (37136, 54169), (44099, 45616)]