19405772

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16787}}^1$

素因数の和:16825

約数の個数: 18

約数和(自身を含む): 36077412

約数和(自身を除く): 16671640

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16787, 33574, 67148, 285379, 570758, 1141516, 4851443, 9702886, 19405772]

約数ペア:

[(1, 19405772), (2, 9702886), (4, 4851443), (17, 1141516), (34, 570758), (68, 285379), (289, 67148), (578, 33574), (1156, 16787)]