19719978

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{69929}}^1$

素因数の和:69981

約数の個数: 16

約数和(自身を含む): 40279680

約数和(自身を除く): 20559702

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 69929, 139858, 209787, 419574, 3286663, 6573326, 9859989, 19719978]

約数ペア:

[(1, 19719978), (2, 9859989), (3, 6573326), (6, 3286663), (47, 419574), (94, 209787), (141, 139858), (282, 69929)]