19421493

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10163}}^1$

素因数の和:10193

約数の個数: 24

約数和(自身を含む): 32443488

約数和(自身を除く): 13021995

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10163, 30489, 71141, 132119, 213423, 396357, 497987, 924833, 1493961, 2774499, 6473831, 19421493]

約数ペア:

[(1, 19421493), (3, 6473831), (7, 2774499), (13, 1493961), (21, 924833), (39, 497987), (49, 396357), (91, 213423), (147, 132119), (273, 71141), (637, 30489), (1911, 10163)]