9618940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 22528800

約数和(自身を除く): 12909860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1489, 1615, 2978, 3230, 5956, 6460, 7445, 14890, 25313, 28291, 29780, 50626, 56582, 101252, 113164, 126565, 141455, 253130, 282910, 480947, 506260, 565820, 961894, 1923788, 2404735, 4809470, 9618940]

約数ペア:

[(1, 9618940), (2, 4809470), (4, 2404735), (5, 1923788), (10, 961894), (17, 565820), (19, 506260), (20, 480947), (34, 282910), (38, 253130), (68, 141455), (76, 126565), (85, 113164), (95, 101252), (170, 56582), (190, 50626), (323, 29780), (340, 28291), (380, 25313), (646, 14890), (1292, 7445), (1489, 6460), (1615, 5956), (2978, 3230)]