19988484

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{40627}}^1$

素因数の和:40675

約数の個数: 24

約数和(自身を含む): 47778528

約数和(自身を除く): 27790044

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 40627, 81254, 121881, 162508, 243762, 487524, 1665707, 3331414, 4997121, 6662828, 9994242, 19988484]

約数ペア:

[(1, 19988484), (2, 9994242), (3, 6662828), (4, 4997121), (6, 3331414), (12, 1665707), (41, 487524), (82, 243762), (123, 162508), (164, 121881), (246, 81254), (492, 40627)]