18178041

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 30182400

約数和(自身を除く): 12004359

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1571, 1653, 3857, 4713, 10997, 11571, 29849, 32991, 45559, 89547, 136677, 208943, 318913, 626829, 865621, 956739, 2596863, 6059347, 18178041]

約数ペア:

[(1, 18178041), (3, 6059347), (7, 2596863), (19, 956739), (21, 865621), (29, 626829), (57, 318913), (87, 208943), (133, 136677), (203, 89547), (399, 45559), (551, 32991), (609, 29849), (1571, 11571), (1653, 10997), (3857, 4713)]