16999984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{55921}}^1$

素因数の和:55948

約数の個数: 20

約数和(自身を含む): 34671640

約数和(自身を除く): 17671656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 55921, 111842, 223684, 447368, 894736, 1062499, 2124998, 4249996, 8499992, 16999984]

約数ペア:

[(1, 16999984), (2, 8499992), (4, 4249996), (8, 2124998), (16, 1062499), (19, 894736), (38, 447368), (76, 223684), (152, 111842), (304, 55921)]