18259868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1274

約数の個数: 36

約数和(自身を含む): 36286656

約数和(自身を除く): 18026788

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1217, 1364, 2434, 3751, 4868, 7502, 13387, 15004, 26774, 37727, 53548, 75454, 147257, 150908, 294514, 414997, 589028, 829994, 1659988, 4564967, 9129934, 18259868]

約数ペア:

[(1, 18259868), (2, 9129934), (4, 4564967), (11, 1659988), (22, 829994), (31, 589028), (44, 414997), (62, 294514), (121, 150908), (124, 147257), (242, 75454), (341, 53548), (484, 37727), (682, 26774), (1217, 15004), (1364, 13387), (2434, 7502), (3751, 4868)]