17419880

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1607}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 39363840

約数和(自身を除く): 21943960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1607, 2168, 2710, 3214, 5420, 6428, 8035, 10840, 12856, 16070, 32140, 64280, 435497, 870994, 1741988, 2177485, 3483976, 4354970, 8709940, 17419880]

約数ペア:

[(1, 17419880), (2, 8709940), (4, 4354970), (5, 3483976), (8, 2177485), (10, 1741988), (20, 870994), (40, 435497), (271, 64280), (542, 32140), (1084, 16070), (1355, 12856), (1607, 10840), (2168, 8035), (2710, 6428), (3214, 5420)]