18663198

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{28537}}^1$

素因数の和:28651

約数の個数: 16

約数和(自身を含む): 37670160

約数和(自身を除く): 19006962

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 28537, 57074, 85611, 171222, 3110533, 6221066, 9331599, 18663198]

約数ペア:

[(1, 18663198), (2, 9331599), (3, 6221066), (6, 3110533), (109, 171222), (218, 85611), (327, 57074), (654, 28537)]