19388873

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2096

約数の個数: 16

約数和(自身を含む): 23656320

約数和(自身を除く): 4267447

約数列:

[1, 7, 19, 73, 133, 511, 1387, 1997, 9709, 13979, 37943, 145781, 265601, 1020467, 2769839, 19388873]

約数ペア:

[(1, 19388873), (7, 2769839), (19, 1020467), (73, 265601), (133, 145781), (511, 37943), (1387, 13979), (1997, 9709)]