19605394

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 10332206

約数列:

[1, 2, 109, 139, 218, 278, 647, 1294, 15151, 30302, 70523, 89933, 141046, 179866, 9802697, 19605394]

約数ペア:

[(1, 19605394), (2, 9802697), (109, 179866), (139, 141046), (218, 89933), (278, 70523), (647, 30302), (1294, 15151)]