19167681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10457}}^1$

素因数の和:10520

約数の個数: 16

約数和(自身を含む): 28111104

約数和(自身を除く): 8943423

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10457, 31371, 135941, 407823, 491479, 1474437, 6389227, 19167681]

約数ペア:

[(1, 19167681), (3, 6389227), (13, 1474437), (39, 491479), (47, 407823), (141, 135941), (611, 31371), (1833, 10457)]