18728690

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{14747}}^1$

素因数の和:14881

約数の個数: 16

約数和(自身を含む): 33979392

約数和(自身を除く): 15250702

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 14747, 29494, 73735, 147470, 1872869, 3745738, 9364345, 18728690]

約数ペア:

[(1, 18728690), (2, 9364345), (5, 3745738), (10, 1872869), (127, 147470), (254, 73735), (635, 29494), (1270, 14747)]