19744928

素因数分解:

$2^5\times 7^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 44763264

約数和(自身を除く): 25018336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 181, 224, 362, 487, 724, 974, 1267, 1448, 1948, 2534, 2896, 3409, 3896, 5068, 5792, 6818, 7792, 10136, 13636, 15584, 20272, 27272, 40544, 54544, 88147, 109088, 176294, 352588, 617029, 705176, 1234058, 1410352, 2468116, 2820704, 4936232, 9872464, 19744928]

約数ペア:

[(1, 19744928), (2, 9872464), (4, 4936232), (7, 2820704), (8, 2468116), (14, 1410352), (16, 1234058), (28, 705176), (32, 617029), (56, 352588), (112, 176294), (181, 109088), (224, 88147), (362, 54544), (487, 40544), (724, 27272), (974, 20272), (1267, 15584), (1448, 13636), (1948, 10136), (2534, 7792), (2896, 6818), (3409, 5792), (3896, 5068)]