20180691223

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{54139}}^1$

素因数の和:54307

約数の個数: 32

約数和(自身を含む): 25945620480

約数和(自身を除く): 5764929257

約数列:

[1, 7, 11, 47, 77, 103, 329, 517, 721, 1133, 3619, 4841, 7931, 33887, 53251, 54139, 372757, 378973, 595529, 2544533, 4168703, 5576317, 17811731, 27989863, 39034219, 61339487, 195929041, 262086899, 429376409, 1834608293, 2882955889, 20180691223]

約数ペア:

[(1, 20180691223), (7, 2882955889), (11, 1834608293), (47, 429376409), (77, 262086899), (103, 195929041), (329, 61339487), (517, 39034219), (721, 27989863), (1133, 17811731), (3619, 5576317), (4841, 4168703), (7931, 2544533), (33887, 595529), (53251, 378973), (54139, 372757)]