19002520

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1753}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 42937920

約数和(自身を除く): 23935400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1753, 2168, 2710, 3506, 5420, 7012, 8765, 10840, 14024, 17530, 35060, 70120, 475063, 950126, 1900252, 2375315, 3800504, 4750630, 9501260, 19002520]

約数ペア:

[(1, 19002520), (2, 9501260), (4, 4750630), (5, 3800504), (8, 2375315), (10, 1900252), (20, 950126), (40, 475063), (271, 70120), (542, 35060), (1084, 17530), (1355, 14024), (1753, 10840), (2168, 8765), (2710, 7012), (3506, 5420)]