18480749

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{491}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 22356480

約数和(自身を除く): 3875731

約数列:

[1, 7, 19, 133, 283, 491, 1981, 3437, 5377, 9329, 37639, 65303, 138953, 972671, 2640107, 18480749]

約数ペア:

[(1, 18480749), (7, 2640107), (19, 972671), (133, 138953), (283, 65303), (491, 37639), (1981, 9329), (3437, 5377)]