1979420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5209}}^1$

素因数の和:5237

約数の個数: 24

約数和(自身を含む): 4376400

約数和(自身を除く): 2396980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5209, 10418, 20836, 26045, 52090, 98971, 104180, 197942, 395884, 494855, 989710, 1979420]

約数ペア:

[(1, 1979420), (2, 989710), (4, 494855), (5, 395884), (10, 197942), (19, 104180), (20, 98971), (38, 52090), (76, 26045), (95, 20836), (190, 10418), (380, 5209)]