19796816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95177}}^1$

素因数の和:95198

約数の個数: 20

約数和(自身を含む): 41307252

約数和(自身を除く): 21510436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95177, 190354, 380708, 761416, 1237301, 1522832, 2474602, 4949204, 9898408, 19796816]

約数ペア:

[(1, 19796816), (2, 9898408), (4, 4949204), (8, 2474602), (13, 1522832), (16, 1237301), (26, 761416), (52, 380708), (104, 190354), (208, 95177)]