19408792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 19963688

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 431, 433, 862, 866, 1724, 1732, 3448, 3464, 5603, 5629, 11206, 11258, 22412, 22516, 44824, 45032, 186623, 373246, 746492, 1492984, 2426099, 4852198, 9704396, 19408792]

約数ペア:

[(1, 19408792), (2, 9704396), (4, 4852198), (8, 2426099), (13, 1492984), (26, 746492), (52, 373246), (104, 186623), (431, 45032), (433, 44824), (862, 22516), (866, 22412), (1724, 11258), (1732, 11206), (3448, 5629), (3464, 5603)]