19986642746

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3931}}^1\times {\mathrm{7727}}^1$

素因数の和:11714

約数の個数: 32

約数和(自身を含む): 35005243392

約数和(自身を除く): 15018600646

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 3931, 7727, 7862, 15454, 27517, 54089, 55034, 108178, 184757, 363169, 369514, 726338, 1293299, 2542183, 2586598, 5084366, 30374837, 60749674, 212623859, 425247718, 1427617339, 2855234678, 9993321373, 19986642746]

約数ペア:

[(1, 19986642746), (2, 9993321373), (7, 2855234678), (14, 1427617339), (47, 425247718), (94, 212623859), (329, 60749674), (658, 30374837), (3931, 5084366), (7727, 2586598), (7862, 2542183), (15454, 1293299), (27517, 726338), (54089, 369514), (55034, 363169), (108178, 184757)]