19378744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 45815040

約数和(自身を除く): 26436296

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 163, 193, 308, 326, 386, 616, 652, 772, 1141, 1304, 1351, 1544, 1793, 2123, 2282, 2702, 3586, 4246, 4564, 5404, 7172, 8492, 9128, 10808, 12551, 14344, 14861, 16984, 25102, 29722, 31459, 50204, 59444, 62918, 100408, 118888, 125836, 220213, 251672, 346049, 440426, 692098, 880852, 1384196, 1761704, 2422343, 2768392, 4844686, 9689372, 19378744]

約数ペア:

[(1, 19378744), (2, 9689372), (4, 4844686), (7, 2768392), (8, 2422343), (11, 1761704), (14, 1384196), (22, 880852), (28, 692098), (44, 440426), (56, 346049), (77, 251672), (88, 220213), (154, 125836), (163, 118888), (193, 100408), (308, 62918), (326, 59444), (386, 50204), (616, 31459), (652, 29722), (772, 25102), (1141, 16984), (1304, 14861), (1351, 14344), (1544, 12551), (1793, 10808), (2123, 9128), (2282, 8492), (2702, 7172), (3586, 5404), (4246, 4564)]