16940538

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^2\times {\mathrm{509}}^1$

素因数の和:603

約数の個数: 36

約数和(自身を含む): 37651770

約数和(自身を除く): 20711232

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 509, 774, 1018, 1527, 1849, 3054, 3698, 4581, 5547, 9162, 11094, 16641, 21887, 33282, 43774, 65661, 131322, 196983, 393966, 941141, 1882282, 2823423, 5646846, 8470269, 16940538]

約数ペア:

[(1, 16940538), (2, 8470269), (3, 5646846), (6, 2823423), (9, 1882282), (18, 941141), (43, 393966), (86, 196983), (129, 131322), (258, 65661), (387, 43774), (509, 33282), (774, 21887), (1018, 16641), (1527, 11094), (1849, 9162), (3054, 5547), (3698, 4581)]