19734884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1987}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 37406208

約数和(自身を除く): 17671324

約数列:

[1, 2, 4, 13, 26, 52, 191, 382, 764, 1987, 2483, 3974, 4966, 7948, 9932, 25831, 51662, 103324, 379517, 759034, 1518068, 4933721, 9867442, 19734884]

約数ペア:

[(1, 19734884), (2, 9867442), (4, 4933721), (13, 1518068), (26, 759034), (52, 379517), (191, 103324), (382, 51662), (764, 25831), (1987, 9932), (2483, 7948), (3974, 4966)]