19987044428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5413609}}^1$

素因数の和:5413697

約数の個数: 24

約数和(自身を含む): 38198432160

約数和(自身を除く): 18211387732

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5413609, 10827218, 21654436, 70376917, 140753834, 281507668, 384366239, 768732478, 1537464956, 4996761107, 9993522214, 19987044428]

約数ペア:

[(1, 19987044428), (2, 9993522214), (4, 4996761107), (13, 1537464956), (26, 768732478), (52, 384366239), (71, 281507668), (142, 140753834), (284, 70376917), (923, 21654436), (1846, 10827218), (3692, 5413609)]