18874306

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3391}}^1$

素因数の和:3438

約数の個数: 24

約数和(自身を含む): 32481792

約数和(自身を除く): 13607486

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3391, 5566, 6782, 37301, 74602, 77993, 155986, 410311, 820622, 857923, 1715846, 9437153, 18874306]

約数ペア:

[(1, 18874306), (2, 9437153), (11, 1715846), (22, 857923), (23, 820622), (46, 410311), (121, 155986), (242, 77993), (253, 74602), (506, 37301), (2783, 6782), (3391, 5566)]