18103060

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1399}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 19999340

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 1399, 2588, 2798, 3235, 5596, 6470, 6995, 12940, 13990, 27980, 905153, 1810306, 3620612, 4525765, 9051530, 18103060]

約数ペア:

[(1, 18103060), (2, 9051530), (4, 4525765), (5, 3620612), (10, 1810306), (20, 905153), (647, 27980), (1294, 13990), (1399, 12940), (2588, 6995), (2798, 6470), (3235, 5596)]