19845332

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1008

約数の個数: 36

約数和(自身を含む): 38860416

約数和(自身を除く): 19015084

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 947, 1612, 1894, 3788, 5239, 10478, 12311, 20956, 24622, 29357, 49244, 58714, 117428, 160043, 320086, 381641, 640172, 763282, 1526564, 4961333, 9922666, 19845332]

約数ペア:

[(1, 19845332), (2, 9922666), (4, 4961333), (13, 1526564), (26, 763282), (31, 640172), (52, 381641), (62, 320086), (124, 160043), (169, 117428), (338, 58714), (403, 49244), (676, 29357), (806, 24622), (947, 20956), (1612, 12311), (1894, 10478), (3788, 5239)]