18881252008

素因数分解:

$2^3\times {\mathrm{839}}^1\times {\mathrm{919}}^1\times {\mathrm{3061}}^1$

素因数の和:4825

約数の個数: 32

約数和(自身を含む): 35494704000

約数和(自身を除く): 16613451992

約数列:

[1, 2, 4, 8, 839, 919, 1678, 1838, 3061, 3356, 3676, 6122, 6712, 7352, 12244, 24488, 771041, 1542082, 2568179, 2813059, 3084164, 5136358, 5626118, 6168328, 10272716, 11252236, 20545432, 22504472, 2360156501, 4720313002, 9440626004, 18881252008]

約数ペア:

[(1, 18881252008), (2, 9440626004), (4, 4720313002), (8, 2360156501), (839, 22504472), (919, 20545432), (1678, 11252236), (1838, 10272716), (3061, 6168328), (3356, 5626118), (3676, 5136358), (6122, 3084164), (6712, 2813059), (7352, 2568179), (12244, 1542082), (24488, 771041)]