19754702

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 33572448

約数和(自身を除く): 13817746

約数列:

[1, 2, 11, 22, 41, 82, 121, 181, 242, 362, 451, 902, 1331, 1991, 2662, 3982, 4961, 7421, 9922, 14842, 21901, 43802, 54571, 81631, 109142, 163262, 240911, 481822, 897941, 1795882, 9877351, 19754702]

約数ペア:

[(1, 19754702), (2, 9877351), (11, 1795882), (22, 897941), (41, 481822), (82, 240911), (121, 163262), (181, 109142), (242, 81631), (362, 54571), (451, 43802), (902, 21901), (1331, 14842), (1991, 9922), (2662, 7421), (3982, 4961)]