19954404

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2531}}^1$

素因数の和:2617

約数の個数: 48

約数和(自身を含む): 52463040

約数和(自身を除く): 32508636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2531, 2628, 3942, 5062, 7593, 7884, 10124, 15186, 22779, 30372, 45558, 68337, 91116, 136674, 184763, 273348, 369526, 554289, 739052, 1108578, 1662867, 2217156, 3325734, 4988601, 6651468, 9977202, 19954404]

約数ペア:

[(1, 19954404), (2, 9977202), (3, 6651468), (4, 4988601), (6, 3325734), (9, 2217156), (12, 1662867), (18, 1108578), (27, 739052), (36, 554289), (54, 369526), (73, 273348), (108, 184763), (146, 136674), (219, 91116), (292, 68337), (438, 45558), (657, 30372), (876, 22779), (1314, 15186), (1971, 10124), (2531, 7884), (2628, 7593), (3942, 5062)]