18872792

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 36575280

約数和(自身を除く): 17702488

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 353, 652, 706, 1304, 1412, 2824, 6683, 13366, 14473, 26732, 28946, 53464, 57539, 57892, 115078, 115784, 230156, 460312, 2359099, 4718198, 9436396, 18872792]

約数ペア:

[(1, 18872792), (2, 9436396), (4, 4718198), (8, 2359099), (41, 460312), (82, 230156), (163, 115784), (164, 115078), (326, 57892), (328, 57539), (353, 53464), (652, 28946), (706, 26732), (1304, 14473), (1412, 13366), (2824, 6683)]