19002017391

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{887}}^1\times {\mathrm{1213}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 30046907904

約数和(自身を除く): 11044890513

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 841, 887, 1213, 2523, 2661, 3639, 5887, 6209, 8491, 17661, 18627, 25473, 25723, 35177, 77169, 105531, 180061, 246239, 540183, 738717, 745967, 1020133, 1075931, 2237901, 3060399, 3227793, 5221769, 7140931, 7531517, 15665307, 21422793, 22594551, 31201999, 93605997, 218413993, 655241979, 904857971, 2714573913, 6334005797, 19002017391]

約数ペア:

[(1, 19002017391), (3, 6334005797), (7, 2714573913), (21, 904857971), (29, 655241979), (87, 218413993), (203, 93605997), (609, 31201999), (841, 22594551), (887, 21422793), (1213, 15665307), (2523, 7531517), (2661, 7140931), (3639, 5221769), (5887, 3227793), (6209, 3060399), (8491, 2237901), (17661, 1075931), (18627, 1020133), (25473, 745967), (25723, 738717), (35177, 540183), (77169, 246239), (105531, 180061)]