19745868

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2467}}^1$

素因数の和:2526

約数の個数: 48

約数和(自身を含む): 49754880

約数和(自身を除く): 30009012

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 667, 1334, 2001, 2467, 2668, 4002, 4934, 7401, 8004, 9868, 14802, 29604, 56741, 71543, 113482, 143086, 170223, 214629, 226964, 286172, 340446, 429258, 680892, 858516, 1645489, 3290978, 4936467, 6581956, 9872934, 19745868]

約数ペア:

[(1, 19745868), (2, 9872934), (3, 6581956), (4, 4936467), (6, 3290978), (12, 1645489), (23, 858516), (29, 680892), (46, 429258), (58, 340446), (69, 286172), (87, 226964), (92, 214629), (116, 170223), (138, 143086), (174, 113482), (276, 71543), (348, 56741), (667, 29604), (1334, 14802), (2001, 9868), (2467, 8004), (2668, 7401), (4002, 4934)]