19035040

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{439}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 26204000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 439, 542, 878, 1084, 1355, 1756, 2168, 2195, 2710, 3512, 4336, 4390, 5420, 7024, 8672, 8780, 10840, 14048, 17560, 21680, 35120, 43360, 70240, 118969, 237938, 475876, 594845, 951752, 1189690, 1903504, 2379380, 3807008, 4758760, 9517520, 19035040]

約数ペア:

[(1, 19035040), (2, 9517520), (4, 4758760), (5, 3807008), (8, 2379380), (10, 1903504), (16, 1189690), (20, 951752), (32, 594845), (40, 475876), (80, 237938), (160, 118969), (271, 70240), (439, 43360), (542, 35120), (878, 21680), (1084, 17560), (1355, 14048), (1756, 10840), (2168, 8780), (2195, 8672), (2710, 7024), (3512, 5420), (4336, 4390)]