19988494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2297}}^1$

素因数の和:2547

約数の個数: 16

約数和(自身を含む): 31712400

約数和(自身を除く): 11723906

約数列:

[1, 2, 19, 38, 229, 458, 2297, 4351, 4594, 8702, 43643, 87286, 526013, 1052026, 9994247, 19988494]

約数ペア:

[(1, 19988494), (2, 9994247), (19, 1052026), (38, 526013), (229, 87286), (458, 43643), (2297, 8702), (4351, 4594)]