19519491418

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1\times {\mathrm{21247}}^1$

素因数の和:21778

約数の個数: 32

約数和(自身を含む): 33730265088

約数和(自身を除く): 14210773670

約数列:

[1, 2, 7, 14, 211, 311, 422, 622, 1477, 2177, 2954, 4354, 21247, 42494, 65621, 131242, 148729, 297458, 459347, 918694, 4483117, 6607817, 8966234, 13215634, 31381819, 46254719, 62763638, 92509438, 1394249387, 2788498774, 9759745709, 19519491418]

約数ペア:

[(1, 19519491418), (2, 9759745709), (7, 2788498774), (14, 1394249387), (211, 92509438), (311, 62763638), (422, 46254719), (622, 31381819), (1477, 13215634), (2177, 8966234), (2954, 6607817), (4354, 4483117), (21247, 918694), (42494, 459347), (65621, 297458), (131242, 148729)]