19140174

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1065

約数の個数: 48

約数和(自身を含む): 44104320

約数和(自身を除く): 24964146

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 991, 1073, 1982, 2146, 2973, 3219, 5946, 6438, 8919, 9657, 17838, 19314, 28739, 36667, 57478, 73334, 86217, 110001, 172434, 220002, 258651, 330003, 517302, 660006, 1063343, 2126686, 3190029, 6380058, 9570087, 19140174]

約数ペア:

[(1, 19140174), (2, 9570087), (3, 6380058), (6, 3190029), (9, 2126686), (18, 1063343), (29, 660006), (37, 517302), (58, 330003), (74, 258651), (87, 220002), (111, 172434), (174, 110001), (222, 86217), (261, 73334), (333, 57478), (522, 36667), (666, 28739), (991, 19314), (1073, 17838), (1982, 9657), (2146, 8919), (2973, 6438), (3219, 5946)]