19495300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 47496960

約数和(自身を除く): 28001660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 100, 110, 148, 185, 220, 275, 370, 407, 479, 550, 740, 814, 925, 958, 1100, 1628, 1850, 1916, 2035, 2395, 3700, 4070, 4790, 5269, 8140, 9580, 10175, 10538, 11975, 17723, 20350, 21076, 23950, 26345, 35446, 40700, 47900, 52690, 70892, 88615, 105380, 131725, 177230, 194953, 263450, 354460, 389906, 443075, 526900, 779812, 886150, 974765, 1772300, 1949530, 3899060, 4873825, 9747650, 19495300]

約数ペア:

[(1, 19495300), (2, 9747650), (4, 4873825), (5, 3899060), (10, 1949530), (11, 1772300), (20, 974765), (22, 886150), (25, 779812), (37, 526900), (44, 443075), (50, 389906), (55, 354460), (74, 263450), (100, 194953), (110, 177230), (148, 131725), (185, 105380), (220, 88615), (275, 70892), (370, 52690), (407, 47900), (479, 40700), (550, 35446), (740, 26345), (814, 23950), (925, 21076), (958, 20350), (1100, 17723), (1628, 11975), (1850, 10538), (1916, 10175), (2035, 9580), (2395, 8140), (3700, 5269), (4070, 4790)]