19107140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5653}}^1$

素因数の和:5688

約数の個数: 36

約数和(自身を含む): 43456644

約数和(自身を除く): 24349504

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5653, 11306, 22612, 28265, 56530, 73489, 113060, 146978, 293956, 367445, 734890, 955357, 1469780, 1910714, 3821428, 4776785, 9553570, 19107140]

約数ペア:

[(1, 19107140), (2, 9553570), (4, 4776785), (5, 3821428), (10, 1910714), (13, 1469780), (20, 955357), (26, 734890), (52, 367445), (65, 293956), (130, 146978), (169, 113060), (260, 73489), (338, 56530), (676, 28265), (845, 22612), (1690, 11306), (3380, 5653)]