19090916

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:972

約数の個数: 36

約数和(自身を含む): 37384704

約数和(自身を除く): 18293788

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 911, 1612, 1822, 3644, 5239, 10478, 11843, 20956, 23686, 28241, 47372, 56482, 112964, 153959, 307918, 367133, 615836, 734266, 1468532, 4772729, 9545458, 19090916]

約数ペア:

[(1, 19090916), (2, 9545458), (4, 4772729), (13, 1468532), (26, 734266), (31, 615836), (52, 367133), (62, 307918), (124, 153959), (169, 112964), (338, 56482), (403, 47372), (676, 28241), (806, 23686), (911, 20956), (1612, 11843), (1822, 10478), (3644, 5239)]