19127800

素因数分解:

$2^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1621}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 45253800

約数和(自身を除く): 26126000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 200, 236, 295, 472, 590, 1180, 1475, 1621, 2360, 2950, 3242, 5900, 6484, 8105, 11800, 12968, 16210, 32420, 40525, 64840, 81050, 95639, 162100, 191278, 324200, 382556, 478195, 765112, 956390, 1912780, 2390975, 3825560, 4781950, 9563900, 19127800]

約数ペア:

[(1, 19127800), (2, 9563900), (4, 4781950), (5, 3825560), (8, 2390975), (10, 1912780), (20, 956390), (25, 765112), (40, 478195), (50, 382556), (59, 324200), (100, 191278), (118, 162100), (200, 95639), (236, 81050), (295, 64840), (472, 40525), (590, 32420), (1180, 16210), (1475, 12968), (1621, 11800), (2360, 8105), (2950, 6484), (3242, 5900)]