18641673

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 29631420

約数和(自身を除く): 10989747

約数列:

[1, 3, 9, 17, 37, 51, 89, 111, 153, 267, 333, 629, 801, 1369, 1513, 1887, 3293, 4107, 4539, 5661, 9879, 12321, 13617, 23273, 29637, 55981, 69819, 121841, 167943, 209457, 365523, 503829, 1096569, 2071297, 6213891, 18641673]

約数ペア:

[(1, 18641673), (3, 6213891), (9, 2071297), (17, 1096569), (37, 503829), (51, 365523), (89, 209457), (111, 167943), (153, 121841), (267, 69819), (333, 55981), (629, 29637), (801, 23273), (1369, 13617), (1513, 12321), (1887, 9879), (3293, 5661), (4107, 4539)]