18589816

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 41450400

約数和(自身を除く): 22860584

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1009, 1316, 2018, 2303, 2632, 4036, 4606, 7063, 8072, 9212, 14126, 18424, 28252, 47423, 49441, 56504, 94846, 98882, 189692, 197764, 331961, 379384, 395528, 663922, 1327844, 2323727, 2655688, 4647454, 9294908, 18589816]

約数ペア:

[(1, 18589816), (2, 9294908), (4, 4647454), (7, 2655688), (8, 2323727), (14, 1327844), (28, 663922), (47, 395528), (49, 379384), (56, 331961), (94, 197764), (98, 189692), (188, 98882), (196, 94846), (329, 56504), (376, 49441), (392, 47423), (658, 28252), (1009, 18424), (1316, 14126), (2018, 9212), (2303, 8072), (2632, 7063), (4036, 4606)]