18816938

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 14803030

約数列:

[1, 2, 7, 14, 31, 62, 191, 217, 227, 382, 434, 454, 1337, 1589, 2674, 3178, 5921, 7037, 11842, 14074, 41447, 43357, 49259, 82894, 86714, 98518, 303499, 606998, 1344067, 2688134, 9408469, 18816938]

約数ペア:

[(1, 18816938), (2, 9408469), (7, 2688134), (14, 1344067), (31, 606998), (62, 303499), (191, 98518), (217, 86714), (227, 82894), (382, 49259), (434, 43357), (454, 41447), (1337, 14074), (1589, 11842), (2674, 7037), (3178, 5921)]