19548921

素因数分解:

$3^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{983}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 29850624

約数和(自身を除く): 10301703

約数列:

[1, 3, 7, 21, 947, 983, 2841, 2949, 6629, 6881, 19887, 20643, 930901, 2792703, 6516307, 19548921]

約数ペア:

[(1, 19548921), (3, 6516307), (7, 2792703), (21, 930901), (947, 20643), (983, 19887), (2841, 6881), (2949, 6629)]