19263320

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1097}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 43480800

約数和(自身を除く): 24217480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1097, 1756, 2194, 2195, 3512, 4388, 4390, 5485, 8776, 8780, 10970, 17560, 21940, 43880, 481583, 963166, 1926332, 2407915, 3852664, 4815830, 9631660, 19263320]

約数ペア:

[(1, 19263320), (2, 9631660), (4, 4815830), (5, 3852664), (8, 2407915), (10, 1926332), (20, 963166), (40, 481583), (439, 43880), (878, 21940), (1097, 17560), (1756, 10970), (2194, 8780), (2195, 8776), (3512, 5485), (4388, 4390)]