19739090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{673}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 40763520

約数和(自身を除く): 21024430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 419, 673, 838, 1346, 2095, 2933, 3365, 4190, 4711, 5866, 6730, 9422, 14665, 23555, 29330, 47110, 281987, 563974, 1409935, 1973909, 2819870, 3947818, 9869545, 19739090]

約数ペア:

[(1, 19739090), (2, 9869545), (5, 3947818), (7, 2819870), (10, 1973909), (14, 1409935), (35, 563974), (70, 281987), (419, 47110), (673, 29330), (838, 23555), (1346, 14665), (2095, 9422), (2933, 6730), (3365, 5866), (4190, 4711)]