19921066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{3989}}^1$

素因数の和:4229

約数の個数: 16

約数和(自身を含む): 32749920

約数和(自身を除く): 12828854

約数列:

[1, 2, 11, 22, 227, 454, 2497, 3989, 4994, 7978, 43879, 87758, 905503, 1811006, 9960533, 19921066]

約数ペア:

[(1, 19921066), (2, 9960533), (11, 1811006), (22, 905503), (227, 87758), (454, 43879), (2497, 7978), (3989, 4994)]