18012520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26489}}^1$

素因数の和:26517

約数の個数: 32

約数和(自身を含む): 42913800

約数和(自身を除く): 24901280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26489, 52978, 105956, 132445, 211912, 264890, 450313, 529780, 900626, 1059560, 1801252, 2251565, 3602504, 4503130, 9006260, 18012520]

約数ペア:

[(1, 18012520), (2, 9006260), (4, 4503130), (5, 3602504), (8, 2251565), (10, 1801252), (17, 1059560), (20, 900626), (34, 529780), (40, 450313), (68, 264890), (85, 211912), (136, 132445), (170, 105956), (340, 52978), (680, 26489)]