19388768

素因数分解:

$2^5\times 7^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 44108064

約数和(自身を除く): 24719296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 101, 112, 202, 224, 404, 707, 808, 857, 1414, 1616, 1714, 2828, 3232, 3428, 5656, 5999, 6856, 11312, 11998, 13712, 22624, 23996, 27424, 47992, 86557, 95984, 173114, 191968, 346228, 605899, 692456, 1211798, 1384912, 2423596, 2769824, 4847192, 9694384, 19388768]

約数ペア:

[(1, 19388768), (2, 9694384), (4, 4847192), (7, 2769824), (8, 2423596), (14, 1384912), (16, 1211798), (28, 692456), (32, 605899), (56, 346228), (101, 191968), (112, 173114), (202, 95984), (224, 86557), (404, 47992), (707, 27424), (808, 23996), (857, 22624), (1414, 13712), (1616, 11998), (1714, 11312), (2828, 6856), (3232, 5999), (3428, 5656)]