19803896

素因数分解:

$2^3\times 7^1\times {\mathrm{353641}}^1$

素因数の和:353654

約数の個数: 16

約数和(自身を含む): 42437040

約数和(自身を除く): 22633144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353641, 707282, 1414564, 2475487, 2829128, 4950974, 9901948, 19803896]

約数ペア:

[(1, 19803896), (2, 9901948), (4, 4950974), (7, 2829128), (8, 2475487), (14, 1414564), (28, 707282), (56, 353641)]