19715956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5659}}^1$

素因数の和:5743

約数の個数: 24

約数和(自身を含む): 37718240

約数和(自身を除く): 18002284

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5659, 11318, 22636, 73567, 147134, 294268, 379153, 758306, 1516612, 4928989, 9857978, 19715956]

約数ペア:

[(1, 19715956), (2, 9857978), (4, 4928989), (13, 1516612), (26, 758306), (52, 379153), (67, 294268), (134, 147134), (268, 73567), (871, 22636), (1742, 11318), (3484, 5659)]