19078516

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2903}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 35126784

約数和(自身を除く): 16048268

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 1643, 2903, 3286, 5806, 6572, 11612, 89993, 153859, 179986, 307718, 359972, 615436, 4769629, 9539258, 19078516]

約数ペア:

[(1, 19078516), (2, 9539258), (4, 4769629), (31, 615436), (53, 359972), (62, 307718), (106, 179986), (124, 153859), (212, 89993), (1643, 11612), (2903, 6572), (3286, 5806)]