19322480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 47434464

約数和(自身を除く): 28111984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 137, 164, 172, 205, 215, 274, 328, 344, 410, 430, 548, 656, 685, 688, 820, 860, 1096, 1370, 1640, 1720, 1763, 2192, 2740, 3280, 3440, 3526, 5480, 5617, 5891, 7052, 8815, 10960, 11234, 11782, 14104, 17630, 22468, 23564, 28085, 28208, 29455, 35260, 44936, 47128, 56170, 58910, 70520, 89872, 94256, 112340, 117820, 141040, 224680, 235640, 241531, 449360, 471280, 483062, 966124, 1207655, 1932248, 2415310, 3864496, 4830620, 9661240, 19322480]

約数ペア:

[(1, 19322480), (2, 9661240), (4, 4830620), (5, 3864496), (8, 2415310), (10, 1932248), (16, 1207655), (20, 966124), (40, 483062), (41, 471280), (43, 449360), (80, 241531), (82, 235640), (86, 224680), (137, 141040), (164, 117820), (172, 112340), (205, 94256), (215, 89872), (274, 70520), (328, 58910), (344, 56170), (410, 47128), (430, 44936), (548, 35260), (656, 29455), (685, 28208), (688, 28085), (820, 23564), (860, 22468), (1096, 17630), (1370, 14104), (1640, 11782), (1720, 11234), (1763, 10960), (2192, 8815), (2740, 7052), (3280, 5891), (3440, 5617), (3526, 5480)]