18248620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5399}}^1$

素因数の和:5434

約数の個数: 36

約数和(自身を含む): 41504400

約数和(自身を除く): 23255780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5399, 10798, 21596, 26995, 53990, 70187, 107980, 140374, 280748, 350935, 701870, 912431, 1403740, 1824862, 3649724, 4562155, 9124310, 18248620]

約数ペア:

[(1, 18248620), (2, 9124310), (4, 4562155), (5, 3649724), (10, 1824862), (13, 1403740), (20, 912431), (26, 701870), (52, 350935), (65, 280748), (130, 140374), (169, 107980), (260, 70187), (338, 53990), (676, 26995), (845, 21596), (1690, 10798), (3380, 5399)]