18946144

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 72

約数和(自身を含む): 44557128

約数和(自身を除く): 25610984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 281, 301, 344, 392, 562, 602, 688, 784, 1124, 1204, 1376, 1568, 1967, 2107, 2248, 2408, 3934, 4214, 4496, 4816, 7868, 8428, 8992, 9632, 12083, 13769, 15736, 16856, 24166, 27538, 31472, 33712, 48332, 55076, 62944, 67424, 84581, 96664, 110152, 169162, 193328, 220304, 338324, 386656, 440608, 592067, 676648, 1184134, 1353296, 2368268, 2706592, 4736536, 9473072, 18946144]

約数ペア:

[(1, 18946144), (2, 9473072), (4, 4736536), (7, 2706592), (8, 2368268), (14, 1353296), (16, 1184134), (28, 676648), (32, 592067), (43, 440608), (49, 386656), (56, 338324), (86, 220304), (98, 193328), (112, 169162), (172, 110152), (196, 96664), (224, 84581), (281, 67424), (301, 62944), (344, 55076), (392, 48332), (562, 33712), (602, 31472), (688, 27538), (784, 24166), (1124, 16856), (1204, 15736), (1376, 13769), (1568, 12083), (1967, 9632), (2107, 8992), (2248, 8428), (2408, 7868), (3934, 4816), (4214, 4496)]