19689424

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18367}}^1$

素因数の和:18442

約数の個数: 20

約数和(自身を含む): 38719744

約数和(自身を除く): 19030320

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18367, 36734, 73468, 146936, 293872, 1230589, 2461178, 4922356, 9844712, 19689424]

約数ペア:

[(1, 19689424), (2, 9844712), (4, 4922356), (8, 2461178), (16, 1230589), (67, 293872), (134, 146936), (268, 73468), (536, 36734), (1072, 18367)]