19777947

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2971}}^1$

素因数の和:3298

約数の個数: 16

約数和(自身を含む): 30243072

約数和(自身を除く): 10465125

約数列:

[1, 3, 7, 21, 317, 951, 2219, 2971, 6657, 8913, 20797, 62391, 941807, 2825421, 6592649, 19777947]

約数ペア:

[(1, 19777947), (3, 6592649), (7, 2825421), (21, 941807), (317, 62391), (951, 20797), (2219, 8913), (2971, 6657)]