19881798

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{144071}}^1$

素因数の和:144099

約数の個数: 16

約数和(自身を含む): 41492736

約数和(自身を除く): 21610938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 144071, 288142, 432213, 864426, 3313633, 6627266, 9940899, 19881798]

約数ペア:

[(1, 19881798), (2, 9940899), (3, 6627266), (6, 3313633), (23, 864426), (46, 432213), (69, 288142), (138, 144071)]