19786352

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42643}}^1$

素因数の和:42680

約数の個数: 20

約数和(自身を含む): 39658920

約数和(自身を除く): 19872568

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42643, 85286, 170572, 341144, 682288, 1236647, 2473294, 4946588, 9893176, 19786352]

約数ペア:

[(1, 19786352), (2, 9893176), (4, 4946588), (8, 2473294), (16, 1236647), (29, 682288), (58, 341144), (116, 170572), (232, 85286), (464, 42643)]