18861898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1301}}^1$

素因数の和:1973

約数の個数: 16

約数和(自身を含む): 30935520

約数和(自身を除く): 12073622

約数列:

[1, 2, 11, 22, 659, 1301, 1318, 2602, 7249, 14311, 14498, 28622, 857359, 1714718, 9430949, 18861898]

約数ペア:

[(1, 18861898), (2, 9430949), (11, 1714718), (22, 857359), (659, 28622), (1301, 14498), (1318, 14311), (2602, 7249)]