18817610756

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1\times {\mathrm{10979}}^1$

素因数の和:12524

約数の個数: 48

約数和(自身を含む): 38582490240

約数和(自身を除く): 19764879484

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 1493, 2986, 5972, 10451, 10979, 20902, 21958, 41804, 43916, 61213, 76853, 122426, 153706, 244852, 307412, 428491, 450139, 856982, 900278, 1713964, 1800556, 3150973, 6301946, 12603892, 16391647, 32783294, 65566588, 114741529, 229483058, 458966116, 672057527, 1344115054, 2688230108, 4704402689, 9408805378, 18817610756]

約数ペア:

[(1, 18817610756), (2, 9408805378), (4, 4704402689), (7, 2688230108), (14, 1344115054), (28, 672057527), (41, 458966116), (82, 229483058), (164, 114741529), (287, 65566588), (574, 32783294), (1148, 16391647), (1493, 12603892), (2986, 6301946), (5972, 3150973), (10451, 1800556), (10979, 1713964), (20902, 900278), (21958, 856982), (41804, 450139), (43916, 428491), (61213, 307412), (76853, 244852), (122426, 153706)]