19926032

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2103

約数の個数: 40

約数和(自身を含む): 44640000

約数和(自身を除く): 24713968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 1999, 2492, 3998, 4984, 7996, 9968, 13993, 15992, 27986, 31984, 55972, 111944, 177911, 223888, 355822, 711644, 1245377, 1423288, 2490754, 2846576, 4981508, 9963016, 19926032]

約数ペア:

[(1, 19926032), (2, 9963016), (4, 4981508), (7, 2846576), (8, 2490754), (14, 1423288), (16, 1245377), (28, 711644), (56, 355822), (89, 223888), (112, 177911), (178, 111944), (356, 55972), (623, 31984), (712, 27986), (1246, 15992), (1424, 13993), (1999, 9968), (2492, 7996), (3998, 4984)]