18664198

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{659}}^1$

素因数の和:709

約数の個数: 36

約数和(自身を含む): 34648020

約数和(自身を除く): 15983822

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 289, 578, 659, 833, 1318, 1666, 2023, 4046, 4613, 9226, 11203, 14161, 22406, 28322, 32291, 64582, 78421, 156842, 190451, 380902, 548947, 1097894, 1333157, 2666314, 9332099, 18664198]

約数ペア:

[(1, 18664198), (2, 9332099), (7, 2666314), (14, 1333157), (17, 1097894), (34, 548947), (49, 380902), (98, 190451), (119, 156842), (238, 78421), (289, 64582), (578, 32291), (659, 28322), (833, 22406), (1318, 14161), (1666, 11203), (2023, 9226), (4046, 4613)]