19423984

素因数分解:

$2^4\times {\mathrm{919}}^1\times {\mathrm{1321}}^1$

素因数の和:2248

約数の個数: 20

約数和(自身を含む): 37703440

約数和(自身を除く): 18279456

約数列:

[1, 2, 4, 8, 16, 919, 1321, 1838, 2642, 3676, 5284, 7352, 10568, 14704, 21136, 1213999, 2427998, 4855996, 9711992, 19423984]

約数ペア:

[(1, 19423984), (2, 9711992), (4, 4855996), (8, 2427998), (16, 1213999), (919, 21136), (1321, 14704), (1838, 10568), (2642, 7352), (3676, 5284)]