19158889393

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{461}}^1\times {\mathrm{881}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 23001656832

約数和(自身を除く): 3842767439

約数列:

[1, 7, 23, 161, 293, 461, 881, 2051, 3227, 6167, 6739, 10603, 20263, 47173, 74221, 135073, 141841, 258133, 406141, 945511, 1806931, 2842987, 3106679, 5937059, 9341243, 21746753, 41559413, 65388701, 118999313, 832995191, 2736984199, 19158889393]

約数ペア:

[(1, 19158889393), (7, 2736984199), (23, 832995191), (161, 118999313), (293, 65388701), (461, 41559413), (881, 21746753), (2051, 9341243), (3227, 5937059), (6167, 3106679), (6739, 2842987), (10603, 1806931), (20263, 945511), (47173, 406141), (74221, 258133), (135073, 141841)]