19678133

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 21326976

約数和(自身を除く): 1648843

約数列:

[1, 23, 43, 101, 197, 989, 2323, 4343, 4531, 8471, 19897, 99889, 194833, 457631, 855571, 19678133]

約数ペア:

[(1, 19678133), (23, 855571), (43, 457631), (101, 194833), (197, 99889), (989, 19897), (2323, 8471), (4343, 4531)]