19874968

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80141}}^1$

素因数の和:80178

約数の個数: 16

約数和(自身を含む): 38468160

約数和(自身を除く): 18593192

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80141, 160282, 320564, 641128, 2484371, 4968742, 9937484, 19874968]

約数ペア:

[(1, 19874968), (2, 9937484), (4, 4968742), (8, 2484371), (31, 641128), (62, 320564), (124, 160282), (248, 80141)]