2019701900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1063001}}^1$

素因数の和:1063034

約数の個数: 36

約数和(自身を含む): 4613428680

約数和(自身を除く): 2593726780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 1063001, 2126002, 4252004, 5315005, 10630010, 20197019, 21260020, 26575025, 40394038, 53150050, 80788076, 100985095, 106300100, 201970190, 403940380, 504925475, 1009850950, 2019701900]

約数ペア:

[(1, 2019701900), (2, 1009850950), (4, 504925475), (5, 403940380), (10, 201970190), (19, 106300100), (20, 100985095), (25, 80788076), (38, 53150050), (50, 40394038), (76, 26575025), (95, 21260020), (100, 20197019), (190, 10630010), (380, 5315005), (475, 4252004), (950, 2126002), (1900, 1063001)]