18516748

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4909}}^1$

素因数の和:4977

約数の個数: 24

約数和(自身を含む): 34644960

約数和(自身を除く): 16128212

約数列:

[1, 2, 4, 23, 41, 46, 82, 92, 164, 943, 1886, 3772, 4909, 9818, 19636, 112907, 201269, 225814, 402538, 451628, 805076, 4629187, 9258374, 18516748]

約数ペア:

[(1, 18516748), (2, 9258374), (4, 4629187), (23, 805076), (41, 451628), (46, 402538), (82, 225814), (92, 201269), (164, 112907), (943, 19636), (1886, 9818), (3772, 4909)]