18715692688

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{21487}}^1$

素因数の和:21621

約数の個数: 120

約数和(自身を含む): 46474418304

約数和(自身を除く): 27758725616

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 101, 112, 154, 176, 196, 202, 308, 392, 404, 539, 616, 707, 784, 808, 1078, 1111, 1232, 1414, 1616, 2156, 2222, 2828, 4312, 4444, 4949, 5656, 7777, 8624, 8888, 9898, 11312, 15554, 17776, 19796, 21487, 31108, 39592, 42974, 54439, 62216, 79184, 85948, 108878, 124432, 150409, 171896, 217756, 236357, 300818, 343792, 435512, 472714, 601636, 871024, 945428, 1052863, 1203272, 1654499, 1890856, 2105726, 2170187, 2406544, 3308998, 3781712, 4211452, 4340374, 6617996, 8422904, 8680748, 11581493, 13235992, 15191309, 16845808, 17361496, 23162986, 23872057, 26471984, 30382618, 34722992, 46325972, 47744114, 60765236, 92651944, 95488228, 106339163, 121530472, 167104399, 185303888, 190976456, 212678326, 243060944, 334208798, 381952912, 425356652, 668417596, 850713304, 1169730793, 1336835192, 1701426608, 2339461586, 2673670384, 4678923172, 9357846344, 18715692688]

約数ペア:

[(1, 18715692688), (2, 9357846344), (4, 4678923172), (7, 2673670384), (8, 2339461586), (11, 1701426608), (14, 1336835192), (16, 1169730793), (22, 850713304), (28, 668417596), (44, 425356652), (49, 381952912), (56, 334208798), (77, 243060944), (88, 212678326), (98, 190976456), (101, 185303888), (112, 167104399), (154, 121530472), (176, 106339163), (196, 95488228), (202, 92651944), (308, 60765236), (392, 47744114), (404, 46325972), (539, 34722992), (616, 30382618), (707, 26471984), (784, 23872057), (808, 23162986), (1078, 17361496), (1111, 16845808), (1232, 15191309), (1414, 13235992), (1616, 11581493), (2156, 8680748), (2222, 8422904), (2828, 6617996), (4312, 4340374), (4444, 4211452), (4949, 3781712), (5656, 3308998), (7777, 2406544), (8624, 2170187), (8888, 2105726), (9898, 1890856), (11312, 1654499), (15554, 1203272), (17776, 1052863), (19796, 945428), (21487, 871024), (31108, 601636), (39592, 472714), (42974, 435512), (54439, 343792), (62216, 300818), (79184, 236357), (85948, 217756), (108878, 171896), (124432, 150409)]