19679408

素因数分解:

$2^4\times 7^1\times {\mathrm{175709}}^1$

素因数の和:175724

約数の個数: 20

約数和(自身を含む): 43576080

約数和(自身を除く): 23896672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 175709, 351418, 702836, 1229963, 1405672, 2459926, 2811344, 4919852, 9839704, 19679408]

約数ペア:

[(1, 19679408), (2, 9839704), (4, 4919852), (7, 2811344), (8, 2459926), (14, 1405672), (16, 1229963), (28, 702836), (56, 351418), (112, 175709)]