18781354

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 28745640

約数和(自身を除く): 9964286

約数列:

[1, 2, 101, 109, 202, 218, 853, 1706, 11009, 22018, 86153, 92977, 172306, 185954, 9390677, 18781354]

約数ペア:

[(1, 18781354), (2, 9390677), (101, 185954), (109, 172306), (202, 92977), (218, 86153), (853, 22018), (1706, 11009)]