19876952

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80149}}^1$

素因数の和:80186

約数の個数: 16

約数和(自身を含む): 38472000

約数和(自身を除く): 18595048

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80149, 160298, 320596, 641192, 2484619, 4969238, 9938476, 19876952]

約数ペア:

[(1, 19876952), (2, 9938476), (4, 4969238), (8, 2484619), (31, 641192), (62, 320596), (124, 160298), (248, 80149)]