18658908

素因数分解:

$2^2\times 3^2\times {\mathrm{419}}^1\times {\mathrm{1237}}^1$

素因数の和:1666

約数の個数: 36

約数和(自身を含む): 47316360

約数和(自身を除く): 28657452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 419, 838, 1237, 1257, 1676, 2474, 2514, 3711, 3771, 4948, 5028, 7422, 7542, 11133, 14844, 15084, 22266, 44532, 518303, 1036606, 1554909, 2073212, 3109818, 4664727, 6219636, 9329454, 18658908]

約数ペア:

[(1, 18658908), (2, 9329454), (3, 6219636), (4, 4664727), (6, 3109818), (9, 2073212), (12, 1554909), (18, 1036606), (36, 518303), (419, 44532), (838, 22266), (1237, 15084), (1257, 14844), (1676, 11133), (2474, 7542), (2514, 7422), (3711, 5028), (3771, 4948)]