19640520144

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6494881}}^1$

素因数の和:6494905

約数の個数: 80

約数和(自身を含む): 64429229440

約数和(自身を除く): 44788709296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6494881, 12989762, 19484643, 25979524, 38969286, 45464167, 51959048, 58453929, 77938572, 90928334, 103918096, 116907858, 136392501, 155877144, 175361787, 181856668, 233815716, 272785002, 311754288, 350723574, 363713336, 409177503, 467631432, 545570004, 701447148, 727426672, 818355006, 935262864, 1091140008, 1227532509, 1402894296, 1636710012, 2182280016, 2455065018, 2805788592, 3273420024, 4910130036, 6546840048, 9820260072, 19640520144]

約数ペア:

[(1, 19640520144), (2, 9820260072), (3, 6546840048), (4, 4910130036), (6, 3273420024), (7, 2805788592), (8, 2455065018), (9, 2182280016), (12, 1636710012), (14, 1402894296), (16, 1227532509), (18, 1091140008), (21, 935262864), (24, 818355006), (27, 727426672), (28, 701447148), (36, 545570004), (42, 467631432), (48, 409177503), (54, 363713336), (56, 350723574), (63, 311754288), (72, 272785002), (84, 233815716), (108, 181856668), (112, 175361787), (126, 155877144), (144, 136392501), (168, 116907858), (189, 103918096), (216, 90928334), (252, 77938572), (336, 58453929), (378, 51959048), (432, 45464167), (504, 38969286), (756, 25979524), (1008, 19484643), (1512, 12989762), (3024, 6494881)]