18724760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20353}}^1$

素因数の和:20387

約数の個数: 32

約数和(自身を含む): 43964640

約数和(自身を除く): 25239880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20353, 40706, 81412, 101765, 162824, 203530, 407060, 468119, 814120, 936238, 1872476, 2340595, 3744952, 4681190, 9362380, 18724760]

約数ペア:

[(1, 18724760), (2, 9362380), (4, 4681190), (5, 3744952), (8, 2340595), (10, 1872476), (20, 936238), (23, 814120), (40, 468119), (46, 407060), (92, 203530), (115, 162824), (184, 101765), (230, 81412), (460, 40706), (920, 20353)]