19878573568

素因数分解:

$2^9\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{4513}}^1$

素因数の和:5767

約数の個数: 80

約数和(自身を含む): 45439368480

約数和(自身を除く): 25560794912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1229, 1792, 2458, 3584, 4513, 4916, 8603, 9026, 9832, 17206, 18052, 19664, 31591, 34412, 36104, 39328, 63182, 68824, 72208, 78656, 126364, 137648, 144416, 157312, 252728, 275296, 288832, 314624, 505456, 550592, 577664, 629248, 1010912, 1101184, 1155328, 2021824, 2202368, 2310656, 4043648, 4404736, 5546477, 8087296, 11092954, 16174592, 22185908, 38825339, 44371816, 77650678, 88743632, 155301356, 177487264, 310602712, 354974528, 621205424, 709949056, 1242410848, 1419898112, 2484821696, 2839796224, 4969643392, 9939286784, 19878573568]

約数ペア:

[(1, 19878573568), (2, 9939286784), (4, 4969643392), (7, 2839796224), (8, 2484821696), (14, 1419898112), (16, 1242410848), (28, 709949056), (32, 621205424), (56, 354974528), (64, 310602712), (112, 177487264), (128, 155301356), (224, 88743632), (256, 77650678), (448, 44371816), (512, 38825339), (896, 22185908), (1229, 16174592), (1792, 11092954), (2458, 8087296), (3584, 5546477), (4513, 4404736), (4916, 4043648), (8603, 2310656), (9026, 2202368), (9832, 2021824), (17206, 1155328), (18052, 1101184), (19664, 1010912), (31591, 629248), (34412, 577664), (36104, 550592), (39328, 505456), (63182, 314624), (68824, 288832), (72208, 275296), (78656, 252728), (126364, 157312), (137648, 144416)]