19518697

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 22394880

約数和(自身を除く): 2876183

約数列:

[1, 11, 23, 179, 253, 431, 1969, 4117, 4741, 9913, 45287, 77149, 109043, 848639, 1774427, 19518697]

約数ペア:

[(1, 19518697), (11, 1774427), (23, 848639), (179, 109043), (253, 77149), (431, 45287), (1969, 9913), (4117, 4741)]