18851974

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{983}}^1$

素因数の和:1251

約数の個数: 16

約数和(自身を含む): 29094912

約数和(自身を除く): 10242938

約数列:

[1, 2, 43, 86, 223, 446, 983, 1966, 9589, 19178, 42269, 84538, 219209, 438418, 9425987, 18851974]

約数ペア:

[(1, 18851974), (2, 9425987), (43, 438418), (86, 219209), (223, 84538), (446, 42269), (983, 19178), (1966, 9589)]