18897158

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^2$

素因数の和:428

約数の個数: 24

約数和(自身を含む): 33445776

約数和(自身を除く): 14548618

約数列:

[1, 2, 7, 14, 37, 74, 191, 259, 382, 518, 1337, 2674, 7067, 14134, 36481, 49469, 72962, 98938, 255367, 510734, 1349797, 2699594, 9448579, 18897158]

約数ペア:

[(1, 18897158), (2, 9448579), (7, 2699594), (14, 1349797), (37, 510734), (74, 255367), (191, 98938), (259, 72962), (382, 49469), (518, 36481), (1337, 14134), (2674, 7067)]