18921742

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3643}}^1$

素因数の和:3712

約数の個数: 24

約数和(自身を含む): 33648696

約数和(自身を除く): 14726954

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 3643, 5194, 7286, 25501, 51002, 178507, 193079, 357014, 386158, 1351553, 2703106, 9460871, 18921742]

約数ペア:

[(1, 18921742), (2, 9460871), (7, 2703106), (14, 1351553), (49, 386158), (53, 357014), (98, 193079), (106, 178507), (371, 51002), (742, 25501), (2597, 7286), (3643, 5194)]