19278880

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1193}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 46035864

約数和(自身を除く): 26756984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1193, 1616, 2020, 2386, 3232, 4040, 4772, 5965, 8080, 9544, 11930, 16160, 19088, 23860, 38176, 47720, 95440, 120493, 190880, 240986, 481972, 602465, 963944, 1204930, 1927888, 2409860, 3855776, 4819720, 9639440, 19278880]

約数ペア:

[(1, 19278880), (2, 9639440), (4, 4819720), (5, 3855776), (8, 2409860), (10, 1927888), (16, 1204930), (20, 963944), (32, 602465), (40, 481972), (80, 240986), (101, 190880), (160, 120493), (202, 95440), (404, 47720), (505, 38176), (808, 23860), (1010, 19088), (1193, 16160), (1616, 11930), (2020, 9544), (2386, 8080), (3232, 5965), (4040, 4772)]