19578451

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 21384000

約数和(自身を除く): 1805549

約数列:

[1, 23, 29, 149, 197, 667, 3427, 4321, 4531, 5713, 29353, 99383, 131399, 675119, 851237, 19578451]

約数ペア:

[(1, 19578451), (23, 851237), (29, 675119), (149, 131399), (197, 99383), (667, 29353), (3427, 5713), (4321, 4531)]