19705504

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 48940416

約数和(自身を除く): 29234912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 67, 91, 101, 104, 112, 134, 182, 202, 208, 224, 268, 364, 404, 416, 469, 536, 707, 728, 808, 871, 938, 1072, 1313, 1414, 1456, 1616, 1742, 1876, 2144, 2626, 2828, 2912, 3232, 3484, 3752, 5252, 5656, 6097, 6767, 6968, 7504, 9191, 10504, 11312, 12194, 13534, 13936, 15008, 18382, 21008, 22624, 24388, 27068, 27872, 36764, 42016, 47369, 48776, 54136, 73528, 87971, 94738, 97552, 108272, 147056, 175942, 189476, 195104, 216544, 294112, 351884, 378952, 615797, 703768, 757904, 1231594, 1407536, 1515808, 2463188, 2815072, 4926376, 9852752, 19705504]

約数ペア:

[(1, 19705504), (2, 9852752), (4, 4926376), (7, 2815072), (8, 2463188), (13, 1515808), (14, 1407536), (16, 1231594), (26, 757904), (28, 703768), (32, 615797), (52, 378952), (56, 351884), (67, 294112), (91, 216544), (101, 195104), (104, 189476), (112, 175942), (134, 147056), (182, 108272), (202, 97552), (208, 94738), (224, 87971), (268, 73528), (364, 54136), (404, 48776), (416, 47369), (469, 42016), (536, 36764), (707, 27872), (728, 27068), (808, 24388), (871, 22624), (938, 21008), (1072, 18382), (1313, 15008), (1414, 13936), (1456, 13534), (1616, 12194), (1742, 11312), (1876, 10504), (2144, 9191), (2626, 7504), (2828, 6968), (2912, 6767), (3232, 6097), (3484, 5656), (3752, 5252)]