19279480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 29190920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1019, 1720, 1892, 2038, 2365, 3784, 4076, 4730, 5095, 8152, 9460, 10190, 11209, 18920, 20380, 22418, 40760, 43817, 44836, 56045, 87634, 89672, 112090, 175268, 219085, 224180, 350536, 438170, 448360, 481987, 876340, 963974, 1752680, 1927948, 2409935, 3855896, 4819870, 9639740, 19279480]

約数ペア:

[(1, 19279480), (2, 9639740), (4, 4819870), (5, 3855896), (8, 2409935), (10, 1927948), (11, 1752680), (20, 963974), (22, 876340), (40, 481987), (43, 448360), (44, 438170), (55, 350536), (86, 224180), (88, 219085), (110, 175268), (172, 112090), (215, 89672), (220, 87634), (344, 56045), (430, 44836), (440, 43817), (473, 40760), (860, 22418), (946, 20380), (1019, 18920), (1720, 11209), (1892, 10190), (2038, 9460), (2365, 8152), (3784, 5095), (4076, 4730)]