18908806

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8389}}^1$

素因数の和:8428

約数の個数: 24

約数和(自身を含む): 34432560

約数和(自身を除く): 15523754

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 8389, 16778, 58723, 117446, 192947, 385894, 411061, 822122, 1350629, 2701258, 9454403, 18908806]

約数ペア:

[(1, 18908806), (2, 9454403), (7, 2701258), (14, 1350629), (23, 822122), (46, 411061), (49, 385894), (98, 192947), (161, 117446), (322, 58723), (1127, 16778), (2254, 8389)]