19874001

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1789}}^1$

素因数の和:1845

約数の個数: 24

約数和(自身を含む): 31675840

約数和(自身を除く): 11801839

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1789, 3703, 5367, 11109, 12523, 37569, 41147, 123441, 288029, 864087, 946381, 2839143, 6624667, 19874001]

約数ペア:

[(1, 19874001), (3, 6624667), (7, 2839143), (21, 946381), (23, 864087), (69, 288029), (161, 123441), (483, 41147), (529, 37569), (1587, 12523), (1789, 11109), (3703, 5367)]