19039120

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{719}}^1$

素因数の和:1063

約数の個数: 40

約数和(自身を含む): 44461440

約数和(自身を除く): 25422320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 719, 1324, 1438, 1655, 2648, 2876, 3310, 3595, 5296, 5752, 6620, 7190, 11504, 13240, 14380, 26480, 28760, 57520, 237989, 475978, 951956, 1189945, 1903912, 2379890, 3807824, 4759780, 9519560, 19039120]

約数ペア:

[(1, 19039120), (2, 9519560), (4, 4759780), (5, 3807824), (8, 2379890), (10, 1903912), (16, 1189945), (20, 951956), (40, 475978), (80, 237989), (331, 57520), (662, 28760), (719, 26480), (1324, 14380), (1438, 13240), (1655, 11504), (2648, 7190), (2876, 6620), (3310, 5752), (3595, 5296)]