19771438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{9817}}^1$

素因数の和:9891

約数の個数: 16

約数和(自身を含む): 31810320

約数和(自身を除く): 12038882

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 9817, 19634, 186523, 373046, 520301, 1040602, 9885719, 19771438]

約数ペア:

[(1, 19771438), (2, 9885719), (19, 1040602), (38, 520301), (53, 373046), (106, 186523), (1007, 19634), (2014, 9817)]