18809964

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{11117}}^1$

素因数の和:11174

約数の個数: 36

約数和(自身を含む): 48563424

約数和(自身を除く): 29753460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 11117, 22234, 33351, 44468, 66702, 100053, 133404, 200106, 400212, 522499, 1044998, 1567497, 2089996, 3134994, 4702491, 6269988, 9404982, 18809964]

約数ペア:

[(1, 18809964), (2, 9404982), (3, 6269988), (4, 4702491), (6, 3134994), (9, 2089996), (12, 1567497), (18, 1044998), (36, 522499), (47, 400212), (94, 200106), (141, 133404), (188, 100053), (282, 66702), (423, 44468), (564, 33351), (846, 22234), (1692, 11117)]