18920260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41131}}^1$

素因数の和:41163

約数の個数: 24

約数和(自身を含む): 41461056

約数和(自身を除く): 22540796

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 41131, 82262, 164524, 205655, 411310, 822620, 946013, 1892026, 3784052, 4730065, 9460130, 18920260]

約数ペア:

[(1, 18920260), (2, 9460130), (4, 4730065), (5, 3784052), (10, 1892026), (20, 946013), (23, 822620), (46, 411310), (92, 205655), (115, 164524), (230, 82262), (460, 41131)]