18897724

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{593}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 34328448

約数和(自身を除く): 15430724

約数列:

[1, 2, 4, 31, 62, 124, 257, 514, 593, 1028, 1186, 2372, 7967, 15934, 18383, 31868, 36766, 73532, 152401, 304802, 609604, 4724431, 9448862, 18897724]

約数ペア:

[(1, 18897724), (2, 9448862), (4, 4724431), (31, 609604), (62, 304802), (124, 152401), (257, 73532), (514, 36766), (593, 31868), (1028, 18383), (1186, 15934), (2372, 7967)]