18398864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1103

約数の個数: 40

約数和(自身を含む): 39292128

約数和(自身を除く): 20893264

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 107, 176, 214, 428, 856, 977, 1177, 1712, 1954, 2354, 3908, 4708, 7816, 9416, 10747, 15632, 18832, 21494, 42988, 85976, 104539, 171952, 209078, 418156, 836312, 1149929, 1672624, 2299858, 4599716, 9199432, 18398864]

約数ペア:

[(1, 18398864), (2, 9199432), (4, 4599716), (8, 2299858), (11, 1672624), (16, 1149929), (22, 836312), (44, 418156), (88, 209078), (107, 171952), (176, 104539), (214, 85976), (428, 42988), (856, 21494), (977, 18832), (1177, 15632), (1712, 10747), (1954, 9416), (2354, 7816), (3908, 4708)]