19814236

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29311}}^1$

素因数の和:29341

約数の個数: 18

約数和(自身を含む): 37548672

約数和(自身を除く): 17734436

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29311, 58622, 117244, 381043, 762086, 1524172, 4953559, 9907118, 19814236]

約数ペア:

[(1, 19814236), (2, 9907118), (4, 4953559), (13, 1524172), (26, 762086), (52, 381043), (169, 117244), (338, 58622), (676, 29311)]