18880452344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{54403}}^1$

素因数の和:54540

約数の個数: 64

約数和(自身を含む): 39484247040

約数和(自身を除く): 20603794696

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 71, 94, 104, 142, 188, 284, 376, 568, 611, 923, 1222, 1846, 2444, 3337, 3692, 4888, 6674, 7384, 13348, 26696, 43381, 54403, 86762, 108806, 173524, 217612, 347048, 435224, 707239, 1414478, 2556941, 2828956, 3862613, 5113882, 5657912, 7725226, 10227764, 15450452, 20455528, 30900904, 33240233, 50213969, 66480466, 100427938, 132960932, 181542811, 200855876, 265921864, 363085622, 401711752, 726171244, 1452342488, 2360056543, 4720113086, 9440226172, 18880452344]

約数ペア:

[(1, 18880452344), (2, 9440226172), (4, 4720113086), (8, 2360056543), (13, 1452342488), (26, 726171244), (47, 401711752), (52, 363085622), (71, 265921864), (94, 200855876), (104, 181542811), (142, 132960932), (188, 100427938), (284, 66480466), (376, 50213969), (568, 33240233), (611, 30900904), (923, 20455528), (1222, 15450452), (1846, 10227764), (2444, 7725226), (3337, 5657912), (3692, 5113882), (4888, 3862613), (6674, 2828956), (7384, 2556941), (13348, 1414478), (26696, 707239), (43381, 435224), (54403, 347048), (86762, 217612), (108806, 173524)]