19366991980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1895009}}^1$

素因数の和:1895098

約数の個数: 48

約数和(自身を含む): 47117528640

約数和(自身を除く): 27750536660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 1895009, 3790018, 7580036, 9475045, 13265063, 18950090, 26530126, 37900180, 53060252, 66325315, 132650630, 138335657, 265301260, 276671314, 553342628, 691678285, 968349599, 1383356570, 1936699198, 2766713140, 3873398396, 4841747995, 9683495990, 19366991980]

約数ペア:

[(1, 19366991980), (2, 9683495990), (4, 4841747995), (5, 3873398396), (7, 2766713140), (10, 1936699198), (14, 1383356570), (20, 968349599), (28, 691678285), (35, 553342628), (70, 276671314), (73, 265301260), (140, 138335657), (146, 132650630), (292, 66325315), (365, 53060252), (511, 37900180), (730, 26530126), (1022, 18950090), (1460, 13265063), (2044, 9475045), (2555, 7580036), (5110, 3790018), (10220, 1895009)]