18420984

素因数分解:

$2^3\times 3^2\times {\mathrm{255847}}^1$

素因数の和:255859

約数の個数: 24

約数和(自身を含む): 49890360

約数和(自身を除く): 31469376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 255847, 511694, 767541, 1023388, 1535082, 2046776, 2302623, 3070164, 4605246, 6140328, 9210492, 18420984]

約数ペア:

[(1, 18420984), (2, 9210492), (3, 6140328), (4, 4605246), (6, 3070164), (8, 2302623), (9, 2046776), (12, 1535082), (18, 1023388), (24, 767541), (36, 511694), (72, 255847)]