19971072

素因数分解:

$2^{10}\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:234

約数の個数: 132

約数和(自身を含む): 63227736

約数和(自身を除く): 43256664

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 197, 198, 256, 264, 288, 352, 384, 394, 396, 512, 528, 576, 591, 704, 768, 788, 792, 1024, 1056, 1152, 1182, 1408, 1536, 1576, 1584, 1773, 2112, 2167, 2304, 2364, 2816, 3072, 3152, 3168, 3546, 4224, 4334, 4608, 4728, 5632, 6304, 6336, 6501, 7092, 8448, 8668, 9216, 9456, 11264, 12608, 12672, 13002, 14184, 16896, 17336, 18912, 19503, 25216, 25344, 26004, 28368, 33792, 34672, 37824, 39006, 50432, 50688, 52008, 56736, 69344, 75648, 78012, 100864, 101376, 104016, 113472, 138688, 151296, 156024, 201728, 208032, 226944, 277376, 302592, 312048, 416064, 453888, 554752, 605184, 624096, 832128, 907776, 1109504, 1248192, 1664256, 1815552, 2219008, 2496384, 3328512, 4992768, 6657024, 9985536, 19971072]

約数ペア:

[(1, 19971072), (2, 9985536), (3, 6657024), (4, 4992768), (6, 3328512), (8, 2496384), (9, 2219008), (11, 1815552), (12, 1664256), (16, 1248192), (18, 1109504), (22, 907776), (24, 832128), (32, 624096), (33, 605184), (36, 554752), (44, 453888), (48, 416064), (64, 312048), (66, 302592), (72, 277376), (88, 226944), (96, 208032), (99, 201728), (128, 156024), (132, 151296), (144, 138688), (176, 113472), (192, 104016), (197, 101376), (198, 100864), (256, 78012), (264, 75648), (288, 69344), (352, 56736), (384, 52008), (394, 50688), (396, 50432), (512, 39006), (528, 37824), (576, 34672), (591, 33792), (704, 28368), (768, 26004), (788, 25344), (792, 25216), (1024, 19503), (1056, 18912), (1152, 17336), (1182, 16896), (1408, 14184), (1536, 13002), (1576, 12672), (1584, 12608), (1773, 11264), (2112, 9456), (2167, 9216), (2304, 8668), (2364, 8448), (2816, 7092), (3072, 6501), (3152, 6336), (3168, 6304), (3546, 5632), (4224, 4728), (4334, 4608)]