18983480

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2459}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 42951600

約数和(自身を除く): 23968120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 2459, 3860, 4918, 7720, 9836, 12295, 19672, 24590, 49180, 98360, 474587, 949174, 1898348, 2372935, 3796696, 4745870, 9491740, 18983480]

約数ペア:

[(1, 18983480), (2, 9491740), (4, 4745870), (5, 3796696), (8, 2372935), (10, 1898348), (20, 949174), (40, 474587), (193, 98360), (386, 49180), (772, 24590), (965, 19672), (1544, 12295), (1930, 9836), (2459, 7720), (3860, 4918)]