19319888

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 46247040

約数和(自身を除く): 26927152

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 73, 112, 119, 136, 139, 146, 238, 272, 278, 292, 476, 511, 556, 584, 952, 973, 1022, 1112, 1168, 1241, 1904, 1946, 2044, 2224, 2363, 2482, 3892, 4088, 4726, 4964, 7784, 8176, 8687, 9452, 9928, 10147, 15568, 16541, 17374, 18904, 19856, 20294, 33082, 34748, 37808, 40588, 66164, 69496, 71029, 81176, 132328, 138992, 142058, 162352, 172499, 264656, 284116, 344998, 568232, 689996, 1136464, 1207493, 1379992, 2414986, 2759984, 4829972, 9659944, 19319888]

約数ペア:

[(1, 19319888), (2, 9659944), (4, 4829972), (7, 2759984), (8, 2414986), (14, 1379992), (16, 1207493), (17, 1136464), (28, 689996), (34, 568232), (56, 344998), (68, 284116), (73, 264656), (112, 172499), (119, 162352), (136, 142058), (139, 138992), (146, 132328), (238, 81176), (272, 71029), (278, 69496), (292, 66164), (476, 40588), (511, 37808), (556, 34748), (584, 33082), (952, 20294), (973, 19856), (1022, 18904), (1112, 17374), (1168, 16541), (1241, 15568), (1904, 10147), (1946, 9928), (2044, 9452), (2224, 8687), (2363, 8176), (2482, 7784), (3892, 4964), (4088, 4726)]