19388975984

素因数分解:

$2^4\times 7^1\times {\mathrm{173115857}}^1$

素因数の和:173115872

約数の個数: 20

約数和(自身を含む): 42932732784

約数和(自身を除く): 23543756800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173115857, 346231714, 692463428, 1211810999, 1384926856, 2423621998, 2769853712, 4847243996, 9694487992, 19388975984]

約数ペア:

[(1, 19388975984), (2, 9694487992), (4, 4847243996), (7, 2769853712), (8, 2423621998), (14, 1384926856), (16, 1211810999), (28, 692463428), (56, 346231714), (112, 173115857)]