19498437502

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1\times {\mathrm{125941}}^1$

素因数の和:126531

約数の個数: 16

約数和(自身を含む): 29470428000

約数和(自身を除く): 9971990498

約数列:

[1, 2, 199, 389, 398, 778, 77411, 125941, 154822, 251882, 25062259, 48991049, 50124518, 97982098, 9749218751, 19498437502]

約数ペア:

[(1, 19498437502), (2, 9749218751), (199, 97982098), (389, 50124518), (398, 48991049), (778, 25062259), (77411, 251882), (125941, 154822)]