18427941

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5519}}^1$

素因数の和:5585

約数の個数: 24

約数和(自身を含む): 31000320

約数和(自身を除く): 12572379

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5519, 16557, 38633, 49671, 115899, 292507, 347697, 877521, 2047549, 2632563, 6142647, 18427941]

約数ペア:

[(1, 18427941), (3, 6142647), (7, 2632563), (9, 2047549), (21, 877521), (53, 347697), (63, 292507), (159, 115899), (371, 49671), (477, 38633), (1113, 16557), (3339, 5519)]