19009960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20663}}^1$

素因数の和:20697

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 25624280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20663, 41326, 82652, 103315, 165304, 206630, 413260, 475249, 826520, 950498, 1900996, 2376245, 3801992, 4752490, 9504980, 19009960]

約数ペア:

[(1, 19009960), (2, 9504980), (4, 4752490), (5, 3801992), (8, 2376245), (10, 1900996), (20, 950498), (23, 826520), (40, 475249), (46, 413260), (92, 206630), (115, 165304), (184, 103315), (230, 82652), (460, 41326), (920, 20663)]