19641268

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{797}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 35325864

約数和(自身を除く): 15684596

約数列:

[1, 2, 4, 61, 101, 122, 202, 244, 404, 797, 1594, 3188, 6161, 12322, 24644, 48617, 80497, 97234, 160994, 194468, 321988, 4910317, 9820634, 19641268]

約数ペア:

[(1, 19641268), (2, 9820634), (4, 4910317), (61, 321988), (101, 194468), (122, 160994), (202, 97234), (244, 80497), (404, 48617), (797, 24644), (1594, 12322), (3188, 6161)]