19800056

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{107609}}^1$

素因数の和:107638

約数の個数: 16

約数和(自身を含む): 38739600

約数和(自身を除く): 18939544

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 107609, 215218, 430436, 860872, 2475007, 4950014, 9900028, 19800056]

約数ペア:

[(1, 19800056), (2, 9900028), (4, 4950014), (8, 2475007), (23, 860872), (46, 430436), (92, 215218), (184, 107609)]